MEDIUM
11th CBSE
IMPORTANT
Earn 100

Define elastic collision. Show that in an elastic collision, the relative velocity of approach before collision is equal to the relative velocity of separation after collision?

Important Questions on Work, Energy and Power

EASY
11th CBSE
IMPORTANT
Super Refresher Physics 11>Chapter 6 - Work, Energy and Power>SELF EVALUATION TEST>Q 1
A truck moves on a level road does it do any work against gravity?
MEDIUM
11th CBSE
IMPORTANT
Super Refresher Physics 11>Chapter 6 - Work, Energy and Power>SELF EVALUATION TEST>Q 2
What happens to the potential energy which the elevator losses in coming down from the top of a building to a stop at the ground floor?
EASY
11th CBSE
IMPORTANT
Super Refresher Physics 11>Chapter 6 - Work, Energy and Power>SELF EVALUATION TEST>Q 3
Name two situations where variable force acts.
EASY
11th CBSE
IMPORTANT
Super Refresher Physics 11>Chapter 6 - Work, Energy and Power>SELF EVALUATION TEST>Q 4
Does the work done in raising a load on a platform depend upon how fast it is raised?
EASY
11th CBSE
IMPORTANT
Super Refresher Physics 11>Chapter 6 - Work, Energy and Power>SELF EVALUATION TEST>Q 5
Are kinetic and potential energies interconvertible?
EASY
11th CBSE
IMPORTANT
Super Refresher Physics 11>Chapter 6 - Work, Energy and Power>SELF EVALUATION TEST>Q 6
From where the kinetic energy of the falling rain drop come?
EASY
11th CBSE
IMPORTANT
Super Refresher Physics 11>Chapter 6 - Work, Energy and Power>SELF EVALUATION TEST>Q 7
What are the factors on which the work done depends?
EASY
11th CBSE
IMPORTANT
Super Refresher Physics 11>Chapter 6 - Work, Energy and Power>SELF EVALUATION TEST>Q 8
Under what condition, the work done by a force is maximum and minimum?