Question :
A) 2 minutes
B) 4 minutes
C) 8 minutes
D) 16 minutes
Answer : C
Light from the Sun reaches us in nearly
A) 2 minutes
B) 4 minutes
C) 8 minutes
D) 16 minutes
Answer : C
Description :
Related Questions - 1
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 - 2
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
Related Questions - 3
Stars appears to move from east to west because
A) all stars move from east to west
B) the earth rotates from west to east
C) the earth rotates from east to west
D) the background of the stars moves from west to east
Related Questions - 4
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
Related Questions - 5
Mirage is due to
A) unequal heating of different parts of the atmosphere
B) magnetic disturbances in the atmosphere
C) depletion of ozone layer in the atmosphere
D) equal heating of different parts of the atmosphere