NDA 2016 Paper 1 | Physics Question 65 | General Science

NDA 2016 Paper 1

MCQ (Single Correct Answer)

+2.5

-0.83

Suppose the force of gravitation between two bodies of equal masses is F. If each mass is doubled keeping the distance of separation between them unchanged, then the force would become

$${1 \over 4}$$F

NDA 2016 Paper 1

MCQ (Single Correct Answer)

+2.5

-0.83

A body has a free fall from a height of 20 m. After falling through a distance of 5 m, then body would

lose one-fourth of its total energy

lose one-fourth of its potential energy

gain one-fourth of its potential energy

gain three-fourth of its total energy

NDA 2016 Paper 1

MCQ (Single Correct Answer)

+2.5

-0.83

Mass of a particular amount of substance

1. is the amount of matter present in it

2. does not vary from place to place

3. changes with change in gravitational force

Select the correct answer using the codes given below.

1, 2 and 3

1 and 2

2 and 3

Only 1

NDA 2016 Paper 1

MCQ (Single Correct Answer)

+2.5

-0.83

The impulse on a particle due to a force acting on it during a given time interval is equal to the change in its

force

momentum

work done