The speed of light is about……..times faster than sound.
a) one hundred
b) one thousand
c) one million
d) one billion
What is the distance of the sun from the earth planet?
a) 100 million km
b)150 million km
c)200 million km
d)300 million km
The light from the sun reaches our earth in…
a) 2 minutes and 20 seconds
b) 4minutes and 20 seconds
c) 8 minutes and 20 seconds
d) 16minutes and 20 seconds
The light reflected from the surface of moon reaches our earth in ……..seconds.
a) 1.2
b) 1.3
c) 1.4
d) 1.9
Which of the following is fastest in the universe?
a) sound
b) light
c) electricity
d) bullet train
Light can also travel through…….
a) air
b) water
c) glass
d) all of these
