……….are basically the reason for developing fear

For a perfectly elastic collision, the coefficient of restitution (eee) is

A current-carrying conductor placed in a magnetic field experiences a force because:

Which of the following is a conductor of electricity?

What is the SI unit of force?

Which of the following is not a unit of energy?

In the elastic range of a material under tension, the ratio of stress to strain:

What is the primary reason for the blue color of the sky?

Identify the third germinal layer found in triploblastic animals.

Addition of ethylene dibromide to petrol 

Which one of the following crops enriches nitrogen content in the soil?