Physics
Grade-10
Easy
Question
What is the wasted energy here?
- Heat, light, and sound
- Chemical, electrical, and movement
- Sound and heat
- Light and heat
Hint:
Heat, light and sound
The correct answer is: Heat, light, and sound
- Thrust force is needed to launch rockets into space and the energy for thrust is stored as chemical energy in the rocket's fuel.
- Then, using the law of conservation of energy, students learn that the chemical energy of the fuel is also converted into light, sound and heat energy during a rocket launch.
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