EASY
6th CBSE
IMPORTANT
Earn 100
State two different uses of light energy.
Important Questions on Work and Energy
EASY
6th CBSE
IMPORTANT
Is there a difference between 'applying a force' and 'doing work'? Give a reason for your answer.
EASY
6th CBSE
IMPORTANT
Explain, by giving an example, that a moving object can do work.
EASY
6th CBSE
IMPORTANT
A porter keeps standing at a place while holding a suitcase of mass over his head for five minutes. Has he done some work? Give a reason for your answer.
EASY
6th CBSE
IMPORTANT
Define the term 'energy'. Describe an activity to show the inter-relationship between work and energy.
EASY
6th CBSE
IMPORTANT
Name a device which converts electrical energy into light energy.
EASY
6th CBSE
IMPORTANT
Name a device which converts sound energy into electrical energy.
EASY
6th CBSE
IMPORTANT
Name a device which converts chemical energy into electrical energy (Battery/Fan).
EASY
6th CBSE
IMPORTANT
Kshitij visited his native village during the summer vacation. While taking a stroll in the field, he saw a boy aiming his catapult at a bird. He asked the boy not to do so and to use his energy for helping, rather than harming others.
Which quality of Kshitij's behaviour do you appreciate?
