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प्रश्न
State the energy changes which take place when:
A magnesium ribbon burns in air.
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उत्तर
During the burning of magnesium, chemical energy changes to heat and light energy.
संबंधित प्रश्न
How many MeV are equivalent to 1 atomic mass unit (u)?
Fill in the blank
Energy possessed by a compressed spring is ______ energy.
Fill in the blank
The energy possessed by a body due to its motion is called ______ energy.
Give one example to show that the sum of potential energy and kinetic energy remains constant if friction is ignored.
State the energy changes in the following case while in use:
an electric toaster.
Select the renewable and non-renewable sources of energy from the following:
Water
What kind of energy is possessed in a situation when?
A cocked up spring of air gun.
Give one example when:
Heat energy changes to kinetic energy.
For the same kinetic energy of a body, what should be the change in its velocity if its mass is increased nine times?
Ocean thermal energy is due to
