Question :

Light year is a unit of


A) time
B) distance
C) light
D) intensity of light

Answer : B

Description :



Related Questions - 1


Magnetism at the centre of a bar magnet is


A) minimum
B) maximum
C) zero
D) minimum or maximum

View Answer

Related Questions - 2


out of the following, which is not emitted by radioactive substance?


A) Electrons
B) Electromagnetic radiations
C) Alpha particles
D) Neutrons

View Answer

Related Questions - 3


Radiocarbon is produced in the atmosphere as a result of


A) collision between fast neutrons and nitrogen nuclei present in the atmosphere
B) action of ultraviolet light from the sun on atmospheric oxygen
C) action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere
D) lightning discharge in atmosphere

View Answer

Related Questions - 4


Nuclear sizes are expressed in a unit named.


A) Fermi
B) angstrom
C) newton
D) tesla

View Answer

Related Questions - 5


Pick out the scalar quantity


A) force
B) pressure
C) velocity
D) acceleration

View Answer