Question :
A) time
B) distance
C) light
D) intensity of light
Answer : B
Light year is a unit of
A) time
B) distance
C) light
D) intensity of light
Answer : B
Description :
Related Questions - 1
Rectifiers are used to convert
A) Direct current to Alternating current
B) Alternating current to Direct current
C) high voltage to low voltage
D) low voltage to high voltage
Related Questions - 2
Planets do not twinkle because
A) they emit light of a constant intensity
B) their distance from the earth does not change with time
C) they are very far away from the earth resulting in decrease in intensity of light
D) they are nearer to earth and hence we receive a greater amount of light and, therefore minor variations in the intensity are not noticeable
Related Questions - 3
Large transformers, when used for some time, become very hot and are cooled by circulating oil. The heating of the transformer is due to
A) the heating effect of current alone
B) hysteresis loss alone
C) both the heating effect of current and hysteresis loss
D) intense sunlight at noon
Related Questions - 4
Let a thin capillary tube be replaced with another tube of insufficient length then, we find water
A) will overflow
B) will not rise
C) depressed
D) change its meniscus