MCQ-1> Which one of the following is not produced by the burning of fossil fuels?
A) NO2
B) Na2O
C) SO2
D) CO2
Answer – B) Na2O
MCQ-2> The fraction 1/273 in Charles’s law is known as
A) Volume coefficient
B) Pressure coefficient
C) Both volume and pressure coefficient
D:) None of these
Answer – A) Volume coefficient
MCQ-3> The value of thermal conductivity of an ideal insulator is
A) 0
B) 1
C) 100
D) Infinity
Answer – D) infinity
MCQ-4>. The portion where image is formed in human eye is
A) eye lens
B) eyeball
C) blind spot
D) Retina
Answer – Retina
MCQ-5> Which color of the light deviated least through a prism?
A) Red
B) Yellow
C) Violet
D) Green
Answer – Red
MCQ-6> Flow of charge per second is known as –
A) electric potential
B) electric current
C) resistance
D) capacitance
Answer – electric current
MCQ-7> If the equivalent resistance of R1, R2 and R3 (R1> R2 >R3) is R in a parallel combination, then –
A) R > R2
B) R > R1
C) R > R3
D) R < R3
Answer – D) R < R3
MCQ-8> What is the unit of work?
A) Jule
B) N/S
C) Watt
D) Jule/second
Answer – A) Jule
MCQ-9> The dimension of linear expansion coefficient is [M0L0T0K-1]. The statement is –
A) True
B) False
Answer – True
MCQ-10> Which mirror produces virtual and diminished image?
A) Convex Mirror
B) Concave Mirror
C) Both
D) None
Answer – A) Convex mirror