Physics
Assertion (A) : If the distance between bodies of masses M1 and M2 is increased by a factor of 4, the gravitational force reduces by 1/16.
Reason (R) : The gravitational force is inversely proportional to the square of distance between two bodies.
- both A and R are true and R is the correct explanation of A
- both A and R are true and R is not the correct explanation of A
- assertion is false but reason is true
- assertion is true but reason is false
Related Questions
Assertion (A) : When we stop pedalling a bicycle, it slows down.
Reason (R) : Force of friction always acts in the direction of motion.
- both A and R are true and R is the correct explanation of A
- both A and R are true and R is not the correct explanation of A
- assertion is false but reason is true
- assertion is true but reason is false
Assertion (A) : On moon, a man feels heavier than on earth.
Reason (R) : This is due to the lower value of 'g' on moon.
- both A and R are true and R is the correct explanation of A
- both A and R are true and R is not the correct explanation of A
- assertion is false but reason is true
- assertion is true but reason is false
Assertion (A) : Weight is the force with which the earth attracts a body.
Reason (R) : It is a measure of the quantity of matter contained in the body, at rest.
- both A and R are true and R is the correct explanation of A
- both A and R are true and R is not the correct explanation of A
- assertion is false but reason is true
- assertion is true but reason is false
Assertion (A) : A swimmer pushes the water backward to move forward in a swimming pool.
Reason (R) : Water exerts a greater but opposite force on the swimmer, helping him to move forward.
- both A and R are true and R is the correct explanation of A
- both A and R are true and R is not the correct explanation of A
- assertion is false but reason is true
- assertion is true but reason is false