Advertisements
Advertisements
प्रश्न
State the energy changes which take place when:
A stone projected vertically upwards, returns back to the thrower.
Advertisements
उत्तर
The kinetic energy changes to potential energy when stone rises up. The potential energy then changes back to kinetic energy, when stone comes down.
संबंधित प्रश्न
Name the process used for producing electricity using nuclear energy.
Two toy-cars A and B of masses 500 g and 200 g respectively are moving with the same speed. Which of the two has the greater kinetic energy?
Give one relevant example for the following transformations of energy:
Chemical energy to heat energy.
Name the type of energy (kinetic energy K or potential energy U) possessed in the given case:
An arrow shot out of a bow.
Name the form of mechanical energy, which is put to use.
State two disadvantages of using nuclear energy for producing electricity.
How is kinetic energy possessed by a moving body measured?
What kind of energy is possessed in a situation when?
A shooting arrow.
Name the two groups in which various sources of energy are classified?
Give two examples each of renewable and non-renewable sources of energy?
