Question :

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


Sound waves in air are


A) transverse
B) longitudinal
C) electromagnetic
D) polarised

View Answer

Related Questions - 2


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

View Answer

Related Questions - 3


Nuclear sizes are expressed in a unit named.


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

View Answer

Related Questions - 4


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

View Answer

Related Questions - 5


Of the following properties of a wave, the one that is independent of the other is its


A) amplitude
B) velocity
C) wavelength
D) frequency

View Answer