EASY
8th ICSE
IMPORTANT
Earn 100

Define the term potential energy. Write the SI unit of potential energy.

Important Questions on 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.
HARD
8th ICSE
IMPORTANT
New Trends in ICSE Physics 8>Chapter 4 - Energy>EXERCISES>Q 4
Define Kinetic energy. Explain its expression by giving suitable equation.