Most Important Multiple Choice Questions with answer from the Rowlatt Act 1919 for competitive exams SSC, cgl, banking and UPSC. For best performance, I would recommend reading Rowlatt Act bill (1919) general knowledge note.
Instruction: The answers are hidden under the black box. To view just hover the mouse on the box or click it.
[MCQ 1]Rowlatt Act bill (1919) is also known as
a) Anarchical and Revolutionary Crimes Act b) Anarchical and Rebellious Crimes Act c) Monarchic and Rebellious Crimes Act d) Monarchic and Revolutionary Crimes Act
Answer:
a) Anarchical and Revolutionary Crimes Act
[MCQ 2]Another name of Rowlatt Act bill (1919) is
a) Green Act b) Gray Act c) Black Act d) Yellow Act
Answer
Black Act
[MCQ 3]Rowlatt Act bill was introduced at the Imperial Legislative Council of
a) Mumbai b) Delhi c) Kolkata d) Pune
Answer
Delhi
[MCQ 4]When the Rowlatt Act bill was introduced at the Imperial Legislative Council of Delhi?
a) 10th March 1919 b) 10th May 1919 c) 10th October 1919 d) 10th April 1919
Answer
a) 10th March 1919
[MCQ 5]Rowlatt Act was passed to extend the
a) Revolutionary Crimes Act India 1918 b) Revolutionary Crimes Act India 1905 c) Defense of India Regulations Act 1905 d) Defense of India Regulations Act 1915
Answer
d) Defense of India Regulations Act 1915
[MCQ 6]To protest Rowlatt Act bill Gandhiji started Rowlatt Satyagraha on
a) 4th April b) 5th April c) 6th April d) 7th April
Answer
c) 6th April
[MCQ 7]Rowlatt Act was passed on 10th March 1919 by
a) Lord Chelmsford b) Sir Sidney Rowlatt c) Sir James Rowlatt d) Sir Williams Rowlatt
A set of multiple-choice questions with answers from the topic Light. A comprehensive general knowledge test for class 9-10.
[MCQ-1]What is the relation between focal length (f) and radius of curvature (r) of a curve mirror?
A: f = 2r B: f = r/2 C: f = r/3 D: f = 3r/2
Answer
f =2r
[MCQ-2]What is the focal length of a curve mirror is it has a radius of curvature is 40 cm.
A: 20 cm B: 35 cm C: 25 cm D: 40 cm
Answer
20 cm
[MCQ-3]Which type of mirror used in the headlight of a motorcycle?
A: Concave mirror B: Convex mirror C: Flat mirror D: none of the above
Answer
Concave mirror
[MCQ-4]Which type of mirror used in the dental clinic?
A: Concave mirror B: Convex mirror C: Flat mirror D: None of the above
Answer
Concave mirror
[MCQ-5] If a beam of red light and a beam of violet light are incident at the same angle on the inclined surface of a prism from air medium and produce angles of refraction r and v respectively, which of the following is correct?
A: r = v B: r > v C: r = 1/v D: r < v
Answer
D: r < v
[MCQ-6]A point source of light is placed at the centre of curvature of a concave mirror. The angle of deviation of the rays incident on the mirror from this source and reflected from it is
[MCQ-13]Which of the following figure given below is correct?
A: Figure 1 is correct B: Figure 2 is correct C: Figure 3 is correct D: Figure 4 is correct
Answer
Figure 1 is correct
[MCQ-14]In case of refraction, if the angle of incidence and the angle of refraction are 45 degrees and 30 degrees respectively, then the angle of deviation is
A: 75 o B: 15o C: 7.5o D: 37.5o
Answer
B: 15o
[MCQ-15]Which of the following has the highest wavelength?
A: X-Ray B: Gamma ray C: infrared ray D: ultraviolet ray
Answer
Infrared ray
[MCQ-16]To produce a real and magnified image by a convex lens, where should the object be placed? [f= focus; u= distance of the object from the lens]
A: f < u < 2f B: u < 2f C: u > 2f D: u > f
Answer
A: f < u < 2f
[MCQ-17]If a refractive index of a medium is μ, and the velocity of a light in free space is c, then the velocity of light of that medium is
A: μc B: (c/μ)1/2 C: (μc)1/2 D: c/μ
Answer
D: c/μ
[MCQ-18]When the light is passing from rarer to a denser medium, which is the correct statement?
A: Incident angle is equal to refracted angle B: Incident angle is greater than refracted angle C: Incident angle is less than refracted angle D: Can not be determined
Answer
B: Incident angle is greater than refracted angle
[MCQ-19]Which physical quantity is remain constant in case refraction?
A: Wavelength of light B: Frequency of light D: Amplitude E: All of the above
Answer
B: Frequency of light
[MCQ-20]In case of refraction, when the light passes from rarer to a denser medium, if the angle of incident is 65o and angle of refraction is 25o, then the deviation of angle would be-
A: 65o B: 25o C: 40o D: 30o
Answer
C: 40o
[MCQ-21]The deviation of light ray when refracted by a parallel glass slab is –
A: 90 o B: 0o C: 45o D: 180o
Answer
B: 0o
[MCQ-22]An object is placed at a distance u from a convex lens, and its image is formed at a distance v. What will be the formula of lateral magnification (m)?
A: m = uv B: m = u/v C: m= v/u D: m= (u/v)1/2
Answer
C: m= v/u
[MCQ-23]What is the relation between the radius of curvature and the focal length of a mirror?
A: f = 3/r B: f = r/3 C: f = 2r D: f= r/2
Answer
D: f= r/2
[MCQ-24]The refractive index of a medium with respect to vacuum is
A: Always greater than one B: Always less than one C: Equal to one D: none of the above
Answer
B: Always less than one.
[MCQ-25]Which color has the maximum deviation when white color refracted through a prism?
A: Red B: Violet C: Green D: Yellow
Answer
B: Violet
[MCQ-26]What will be the refractive index of a medium when the velocity of light is 2 × 108 m/s?
A: 1 B: 1.2 C: 1.5 D: 1.7
Answer
C: 1.5
[MCQ-27]Which among the following electromagnetic wave the frequency is maximum?
A: Infrared B: Ultraviolet C: X-ray D: Gama Ray
Answer
D: Gama Ray
[MCQ-28]What type of image will be formed if an object is placed between f and 2f in front of a convex lens?
A: Real and enlarged upright B: Real and diminished C: Virtual, enlarged and upright D: Real, enlarged, inverted
Answer
D: Real, enlarged, inverted
[MCQ-29]For White light which color has the maximum refractive index?
A: Red B: Yellow C: Orange D: Violet
Answer
D: Violet
[MCQ-30]What will be the angle of refraction for a ray of light fall perpendicular to the interface of two mediums?
A: 90o B:0o C: 180o D: 45o
Answer
B: 0o
[MCQ-31]What will be the refractive index of a medium if a light ray falls normally on it?
A: One B: one half C: 3/2 D: infinity
Answer
D: Infinity
[MCQ-32]Snell’s law is valid for
A: Reflection of light B: Refraction of light C: Both A and B D: None of A and B
Answer
B: Refraction of light
[MCQ-33]Let ∠i = angle of incidence, ∠r = angle of refraction, and μ = refractive angle. The correct formula for Snell”s law is –
A: Wavelength B: Frequency C: Amplitude D: All of the above
Answer
B: Frequency
[MCQ-35]Between red and violet, which color has more frequency?
A: Red has more frequency than violet B: Violet has more frequency than red C: Red and violet has the same frequency D: Can not say
Answer
B: Violet has more frequency than red
[MCQ-36]Between red and violet, which color has greater wavelength?
A: Red has a greater wavelength than violet. B: Violet has a greater wavelength than red. C: Red and violet have the same wavelength. D: Can not say
Answer
A: Red has a greater wavelength than violet.
[MCQ-37]Let frequency = n, wavelength = λ, and the velocity of light is c. Which relation among the following is correct?
A: c = nλ B: c = n/λ C: c = λ/n D: c = n2/λ
Answer
A: c = nλ
[MCQ-38]For which of the following color does a lens has maximum focal length?
A: Red B: Yellow C: Green D: Violet
Answer
A: Red
[MCQ-39]For an object placed at the focus of a convex lens the image will be formed at
A: Focus B: Optical center C: Infinity D: Twice the length of focus
Answer
Infinity
[MCQ-40]A convex mirror is used
A: by a dentist B: for shaving C: as a review mirror of a vehicle D: as a light reflector for obtaining a parallel beam of light
Answer
C
[MCQ-41]Choose whether the statement is true or false: Focal length of a lens depends on its surrounding medium.
A: true B: false
Answer
True
[MCQ-42]To obtain parallel ray from a point light source we use
A: both convex lens and concave mirror B: both convex lens and convex mirror C: both concave lens and concave mirror D: both concave lens and convex mirror
Answer
A: both convex lens and concave mirror
[MCQ-43]What is the type of image form on the retina of our eyes?
A: Real and upright B: Virtual and upright C: Real and inverted D: Virtual and inverted
Answer
Real and inverted
[MCQ-44]Which color is used as danger sign?
A: Green B: Brown C: Orange D: Red
Answer
Red
[MCQ-45]For danger sign, red color is used, because
A: Scattering of red color is less due to large wavelength B: Scattering of red color is less due to small wavelength C: Scattering of red color is greater due to large wavelength D: Scattering of red color is greater due to small wavelenth
Answer
A: Scattering of red color is less due to large wavelength
[MCQ-46]4 different mediums P, Q, R and S have refractive index 1.5, 1.4, 1.8, and 1.3 respectively. In which medium the light has the maximum speed?
A: P medium B: Q medium C: R medium D: S medium
Answer
S medium
[MCQ-47]Let μr and μv are the refractive indexes of a medium of red and violet color respectively. Then
A: μr > μv B: μr < μv C: μr = μv D: None of the above
Answer
B: μr < μv
[MCQ-48]Focal length of a convex lens is 15 cm. For which distance an object is placed so that the lens acts as a magnifying glass?
A: Between 15 cm and 30 cm B: Less than 15 cm C: Greater than 30 cm D: Exactly at 30 cm
Answer
B: Less than 15 cm
[MCQ-49] = deviation of prism, i1 = angle of incidence, i2 = angle of refraction of a prism. Which formula is correct?
A: = i1 + i2 − A B: = i1 + i2 + A C: = i1 − i2 + A D: = (i1 + i2)/A
Answer
A
[MCQ-50]Deviation of light passing through the center of lens is
A: 0° B: 45° C: 90° D: 180°
Answer
A: 0°
[MCQ-51]The split of white light into 7 colors by prism is known as
These are the most common MCQs from light you need to practice. You may download the set of these questions with answers as pdf format.
Note: All the MCQs on light are important for any competitive examination. These multiple choice question answers from light (optics) are very useful for class 9 and class 10.
MCQ on gravitation.> In this post I come up with some important general knowledge questions with answers on a very crucial topic called Gravitation. These multiple choice questions are very important for upcoming exams for general science like SSC, CGL, CHSL, MTS, Railway Group-D, Group-C, IAS, UPSC Air force and Navy. Therefore I encourage you to practice these mcqs set like a quiz.
Gravitation is a fundamental attractive force between any two objects in the universe. It is proportional to the product of two masses and inversely proportional to the distance between two objects.. Also you can read about this topic from the given link where I have made a detail explanation about it.
Search Terms: mcq on gravitation for class 9 10 11 pdf, gravitation mcq for neet pdf, gravitation mcqs with solution, gravitation mcq for competitive exam.
MCQ on Components of Computer are very useful for your upcoming govt competitive exam recruitment such as SSC, CGL, IAS, UPSC prelims, CDS, MTS, CHSL, RAilway Banking SBI PO etc…
Q.1 Which is the critical processing component in any computer?
A: Mouse
B: Keyboard
C: Memory devices
D: DVD
Answer
Memory devices
Q.2 Which is the main memory of computer?
A: CD
B: DVD
C: Internal hard drive
D: RAM
Answer
Internal Hard drive
Q.3 What is the name of the circuit board that contained within the processor of computer?
A: Motherboard
B: Central processing unit
C: Microprocessor
D: Chipboard
Answer
Central Processing Unit
Q.4 Which component of a computer connects the processor to the other hardware?
A: Motherboard
B: CPU
C: Punch card
D: Chip
Answer
Motherboard
Q.5 Which is referred to the brain of computer?
A: Processor
B: RAM
C: ROM
D: Hard drive
Answer
Processor
Q.6 How many parts are consists in a computer for information processing cycle?
A: Only one part
B: Two parts
C: Three Parts
D: Four Parts
Answer
Four Parts (Input, Processing, Output, Storage)
Q.7 Which among the following if absent, a computer is not complete?
A: Mouse
B: DVD
C: Projector
D: User
Answer
User
Q.8 What is the meaning of ‘DATA’?
A: A table that contain list of users and password
B: List of software
C: A piece of information
D: digital spreadsheets
Answer
A piece of information
Q.9 What is the name of programs that control the computer system?
A: Hardware
B: Keyboard
C: Software
D: Mouse
Answer
Software
Q.10 The physical components of a computer are called?
A: Software
B: Hardware
C: ALU
D: CPU
Answer
Hardware
Q.11 What is the name of interaction between touch screen and finger used in smartphones?
A: Soft Screen
B: Post – WIMP
C: Interference
D: Diffraction
Answer
Post-WIMP
Q.12 Which among the following allows the user to interact computer?
A: Command line interface
B: Graphical user interface
C: Both options A and B
D: None of these
Answer
Both options A and B;
Q.13 How many types of user interface consists in a computer?
A: only one interface
B: Two interface
C: Three interface
D: Four interface
Answer
Two interface (CLI and GUI).
Q.14 From where a user communicates with the operating system in a computer?
A: Interface
B: Multimedia
C: Graphics
D: None of these
Answer
Interface
Q.15 What is the name of non-volatile chip that stores the date, time and system configuration?
A: RAM
B: CMOS
C: JFET
D: FET
Answer
CMOS
Q.16 ROM contain some coding known as __________ .
A: System files
B: Data files
C: Pinching
D: BIOS
Answer
BIOS
Q.17 What is the common measurement of unit of a computer memory?
A: IQ
B: Byte
C: Terabyte
D: Gigabyte
Answer
Byte
Q.18 What is the name of component that used to both read and write data?
A: ROM
B: RAM
C: Hard Drive
D: Flash Memory
Answer
RAM
Q.19 How many important type of memory are present in a computer?
A: One
B: Two
C: Three
D: Four
Answer
Two Types of memory RAM & ROM.
Q.20 What is the meaning of the term ‘Processing’?
MCQ on Basic Computer is necessary for every govt competitive job exams or recruitment like Banking, SBI PO, IAS, UPSC, Railway Group D to A, CDS, SSC, MTS, CGL, CHSL etc.
NB – Answers of each mcq is hidden behind the black box, to view just click it.
Q.1 How many major companies around the world manufacture microprocessors?
A: Only one company
B: Tow companies
C: Three companies
D: Many companies
Answer
Tow companies (Intel and Motorola).
Q.2 Which chip is used inside the apple new computers?
A: G3
B: G4
C: ATI
D: MAC03
Answer
G3
Q.3 Who is the father of computer?
A: Charles Newman
B: Charles Babbage
C: Henry Babbage
D: Henry luce
Answer
Charles Babbage
Q.4 Charles Babbage designed two engine. They are –
A: Addition and Subtraction Engine
B: Analytic and Difference Engine
C: Analytic and Digital engine
D: Addition and Multiplication Engine
Answer
Analytic and Difference Engine
Q.5 Which is an example of first generation computer?
A: EDVAC
B: EDSAC
C; ENIAC
D; UNIVAC
Answer
ENIAC
Q.6 Which computer generation the IBM 700 belongs to?
A: First Generation
B: Second Generation
C: Third Generation
D: Fourth Generation
Answer
Second Generation (1954 – 1962)
Q.7 Operating system is used in which generation of computer for the first time?
A: First Generation
B: Second Generation
C: Third Generation
D: Fourth Generation
Answer
Third Generation ( 1963 1971).
Q.8 Which generation of computer used VLSI (Very Large Scale Integrated Chips) technology that brought bloom in the hardware industries.
A: First Generation
B: Second Generation
C: Third Generation
D: Fourth Generation
E: Fifth Generation
Answer
Fourth Generation (1972 – 1984)
Q.9 Which generation of computer used CD ROM for the first time?
A: First Generation
B: Second Generation
C: Third Generation
D: Fourth Generation
E: Fifth Generation
Answer
Fifth Generation computer (1983 1990)
Q.10 Which generation of computer used Power-Book and Pentium microprocessor for the first time?
A: Third Generation
B: Fourth Generation
C: Fifth Generation
D: Sixth Generation
Answer
Sixth Generation computer (1990 – till Now)
Q.11 What is an another name of Personal Computer?
A: Micro-Computer
B: Private Computer
C: Distinctive Computer
D: Individual Computer
Answer
Microcomputer
Q.12 Which is the most common types of computer?
A: Desktop
B: Notebook
C: Server
D: Laptop
Answer
Desktop
Q.13 Which among the following computer provides greater speed than average for performing multi tasking?
A: Personal Computer
B: Notebook
C: Workstation
D: Tablet PC
Answer
Workstation
Q.14 Which is the newest development of full featured portable computer?
A: A Notebook PC
B: A Handheld PC
C: Tablet PC
D: Workstation
Answer
Tablet PC
Q.15 Which is the powerful computer with special equipment and softwares that used for networking?
A: Network Server
B: Workstation
C: Mainframe
D: Supercomputer
Answer
Network Server
Q.16 Which of the following is a mid range computer?
A: Mainframe
B: Mini computer
C: micro computer
D: Supercomputer
Answer
Mini computer
Q.17 Which is the most powerful and physically largest computer?
A: Workstation
B: Supercomputer
C: Network server
D: Gaming PC
Answer
Supercomputer
Q.18 Which is the first electro-mechanical binary programmable computer?
A: Z1
B: Intel 8084
C: IBM 007
D: Intel 8000
Answer
Z1
Q.19 Which is the first computer in India?
A: ENIAC
B: HEC-2M
C: SZ 40/42
D: Harwell CADET
Answer
HEC-2M
Q.20 Which of the following exactly define computer?
A: A machine which is lightweight and used for calculation.
B: A unit record machine
C: An electronic device that store and process data to give desire result.
D: A program instruction machine.
Answer
An electronic device that store and process data to give desire result.
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