Physics
Grade-7
Easy
Question
Direction :Which energy is being used by the following appliance initially?
Flashlight
- Electrical energy
- Chemical energy
- Sound energy
- Muscular energy
Hint:
The flashlights use chemical energy from the battery.
The correct answer is: Chemical energy
- The battery is used as the energy source in flashlights.
- The batteries are composed of chemicals that produce chemical energy.
- The chemical energy is converted into electrical energy.
Related Questions to study
Physics
Sun
Sun
PhysicsGrade-7
Physics
Playing Speaker
Playing Speaker
PhysicsGrade-7
Physics
Electric heater
Electric heater
PhysicsGrade-7
Physics
Moving car
Moving car
PhysicsGrade-7
Physics
Ball on a hill
Ball on a hill
PhysicsGrade-7
Physics
What is the new gravitational potential energy when the height becomes
What is the new gravitational potential energy when the height becomes
PhysicsGrade-7
Physics
What is the new gravitational potential energy when the height becomes
5 h
What is the new gravitational potential energy when the height becomes
5 h
PhysicsGrade-7
Physics
What is the new gravitational potential energy when the height becomes
What is the new gravitational potential energy when the height becomes
PhysicsGrade-7
Physics
What is the new gravitational potential energy when the height becomes
4 h
What is the new gravitational potential energy when the height becomes
4 h
PhysicsGrade-7
Physics
Which object has more gravitational potential energy when the mass is constant?
Which object has more gravitational potential energy when the mass is constant?
PhysicsGrade-7
Physics
The height of an object is ____ proportional to its gravitational potential energy.
The height of an object is ____ proportional to its gravitational potential energy.
PhysicsGrade-7
Physics
What can you say about the gravitational potential energy when both have the same mass?
What can you say about the gravitational potential energy when both have the same mass?
PhysicsGrade-7
Physics
Which object has less gravitational potential energy when both have the same mass?
Which object has less gravitational potential energy when both have the same mass?
PhysicsGrade-7
Physics
Which object has more gravitational potential energy when both have the same mass?
Which object has more gravitational potential energy when both have the same mass?
PhysicsGrade-7
Physics
Which object has less gravitational potential energy when both have the same mass?
Which object has less gravitational potential energy when both have the same mass?
PhysicsGrade-7
