Work and Energy

Choose the correct options for the following questions.

Escape velocity of moon is

Difficulty: Easy

A:

2.38 $\rm{kms^{-1}}$

B:

3.38 $\rm{kms^{-1}}$

C:

4.38 $\rm{kms^{-1}}$

D:

5.38 $\rm{kms^{-1}}$

Value of solar constant at the Earth's atmosphere is

Difficulty: Easy

A:

1 $\rm{kWm^{-2}}$

B:

1.38 $\rm{kWm^{-2}}$

C:

2 $\rm{kWm^{-2}}$

D:

2.8 $\rm{kWm^{-2}}$