HARD
8th ICSE
IMPORTANT
Earn 100

Give one example of a body having potential energy.

Important Questions on Energy

EASY
8th ICSE
IMPORTANT
New Trends in ICSE Physics 8>Chapter 4 - Energy>EXERCISES>Q 12
Define the term potential energy. Write the SI unit of potential energy.
HARD
8th ICSE
IMPORTANT
New Trends in ICSE Physics 8>Chapter 4 - Energy>EXERCISES>Q 13
A light and a heavy object have the same momentum, find out the ratio of their kinetic energies. Which one has a larger kinetic energy?
HARD
8th ICSE
IMPORTANT
New Trends in ICSE Physics 8>Chapter 4 - Energy>EXERCISES>Q 14
Can any object have momentum even if its mechanical energy is zero? Explain, why?
HARD
8th ICSE
IMPORTANT
New Trends in ICSE Physics 8>Chapter 4 - Energy>EXERCISES>Q 15
Define potential energy. Write an expression for potential energy of an object of mass m raised through a height h.
HARD
8th ICSE
IMPORTANT
New Trends in ICSE Physics 8>Chapter 4 - Energy>EXERCISES>Q 16
State law of conservation of energy.
HARD
8th ICSE
IMPORTANT
New Trends in ICSE Physics 8>Chapter 4 - Energy>EXERCISES>Q 1
State the law of conservation of energy by giving suitable examples.
HARD
8th ICSE
IMPORTANT
New Trends in ICSE Physics 8>Chapter 4 - Energy>EXERCISES>Q 2
Explain different types of work by giving examples.
HARD
8th ICSE
IMPORTANT
New Trends in ICSE Physics 8>Chapter 4 - Energy>EXERCISES>Q 3
What are the units of work? Define in CGS system and in SI system.