NTPC CBT-2 Physics Quiz - 25

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Question 1:

When a body like the earth is moving in a circular path the work done in that case is zero because:

Question 2:

Who was the first to determine the universal gravitational constant  G ?


Question 3:

The energy that it possesses due to its motion is called kinetic energy, what does the kinetic energy (KE) of a moving body depend upon?

Question 4:

If a moving body turns its speed to 1.5 times, what will be the impact on its kinetic energy?

Question 5:

How many total internal reflections of light take place in the formation of the primary rainbow?