Font size
WorksheetsForces and Energy Review
Total questions: 20
Worksheet time: 11mins
What is energy?
Ability to work
Disability to work
Both ability and disability to work
Nobe of the above
Law of conservation of energy states that
Energy neither be created
Energy can be destroyed
Energy not can be destroyed
Amount of energy remains same in the universe
Neuclear energy is generated because of
Joining of nuclei
Breaking of nuclei
Both joining and breaking of nuclei
None of the above
__________source energy is never ending source.
Non - renewable
Renewable
None of the above
In the iron ________energy is transformed in _________energy
Geothermal, heat
Heat, light
Electrical, heat
Heat, electrical
___________ energy is stored inside the earth
Heat
Electrical
Solar
Geothermal
Fuel that generated because of the dead remain of plant and animals are
Gas
Fossil fuel
Geothermal fuel
None of the above
Fossil fuels are ________ source of energy.
Non- renewable
Renewable
List down the uses of nuclear energy.
We can examine internal organ
We can generate water
We can generate electricity
None of the above
Why Use of nuclear energy should be reduced?
It generate electricity in huge amount
It can generate electricity in low cost
It gives out waste that remains in the environment for long
All of the above
When the car is moving we can say it possess
Potential energy
Heat energy
Kinetic energy
Electrical energy
sound energy is produced because of the
Transmission
Vibration
Both transmission and vibration
None of the above
Thermal energy is a sum of
Kinetic and heat energy
Potential and sound energy
Kinetic and electrical energy
Potential and kinetic energy
When fan is switched on _______ energy is converted into _________
Potential, wind
Electrical, potential
Kinetic, wind
Electrical, kinetic
Neuclear energy is generated because of
Joining of nuclei
Breaking of nuclei
Both joining and breaking of nuclei
None of the above
When fan is switched on _______ energy is converted into _________
Potential, wind
Electrical, potential
Kinetic, wind
Electrical, kinetic
Law of conservation of energy states that
Energy can be created
Energy can not be created
Energy can be destroyed
Amount of energy remains same in universe
___________ was known as father of Indian nuclear science.
Edison
Homi jehangir bhabha
Sarojini naidu
None of the above
Machines help to make work easier and faster.
True
False
May be
Identify the type of simple machine used in given picture.
Lever
Wheel and axle
Wedge
Pulley
