Which of the following statement about the sun is correct
(i) The sun is 150 million km away from the earth
(ii) The distance of the sun from the earth may be said to be about 8 light minutes
(iii) The distance traveled by light in one year is known as the light year
(iv)The distance of alpha centauri is about 4.3 light years
(i), (ii) and (iii) only
(i), (ii) and (iv) only
(i), (iii) and (iv) only
All the above
Match the following
List I | List II |
a) Inner planets | 1.) Moon |
b) Outer planets | 2.) Great Bear |
c) Constellation | 3.) Saturn |
d) Satellite of Earth | 4.) Mars |
a-4,b-3,c-2,d-1
a-1,b-2,c-3,d-4
a-3,b-4,c-1,d-2
a-2,b-1,c-3,d-4
Phases of the moon occur because
(i) We can see only that part of the moon that reflects light towards us.
(ii) Our distance from the moon keeps changing.
(iii) The shadow of the Earth covers only a part of the moon’s surface.
(iv) The thickness of the moon’s atmosphere is not constant.