Question Booklets



Quiz Category: Physics



Q. A nanosecond is:

A. 10^9 s

B. 10^−9 s

C. 10^−10 s

D. 10^−10 s

Correct option is B

Q. An example of a fermion is a:

A. photon

B. pion

C. neutrino

D. kaon

Correct option is C

Q. The SI base unit for mass is:

A. gram

B. pound

C. kilogram

D. ounce

Correct option is C

Q. A kilowatt·hour is a unit of:

A. power

B. energy/time

C. work

D. power/time

Correct option is C

Q. One revolution is the same as:

A. 1 rad

B. π/2 rad

C. π rad

D. 2π rad

Correct option is D

Q. Strain can be measured in:

A. N/m^2

B. N·m^2

C. N/m

D. none of these (it is unitless)

Correct option is D

Q. A gram is:

A. 10^−6 kg

B. 10^−3 kg

C. 1 kg

D. 10^3 kg

Correct option is B

Q. The SI standard of time is based on:

A. the daily rotation of the earth

B. the frequency of light emitted by Kr86

C. a precision pendulum clock

D. none of these

Correct option is D

Q. The SI standard of length is based on:

A. the distance from the north pole to the equator along a meridian passing through Paris

B. wavelength of light emitted by Hg^198

C. a precision meter stick in Paris

D. the speed of light

Correct option is D

Q. In 1866, the U. S. Congress defined the U. S. yard as exactly 3600/3937 international meter. This was done primarily because:

A. length can be measured more accurately in meters than in yards

B. the meter is more stable than the yard

C. this definition relates the common U. S. length units to a more widely used system

D. there are more wavelengths in a yard than in a meter

Correct option is C