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प्रश्न
Is energy a vector quantity?
उत्तर
No, energy is a scalar quantity as it has only magnitude.
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संबंधित प्रश्न
State whether the object possess kinetic energy, potential energy, or both :
A bird running on the ground ____________.
State whether the object possess kinetic energy, potential energy, or both :
A stretched spring lying on the ground ____________.
Fill in the blank with suitable word :
The ability of a body to do work is called __________. The ability of a body to do work because of its motion is called __________.
What type of energy is possessed : by the piece of stone which is thrown away on releasing the stretched rubber strings of catapult?
Name the device which converts electrical energy into mechanical energy.
Name the device or machine which convert :
Light energy into electrical energy.
Name the device or machine which convert :
Heat energy into kinetic energy (or mechanical energy).
Write the energy transformations which take place in an electric bulb (or electric lamp).
A bulb lights up when connected to a battery. State the energy change which takes place :
Name the energy transfers which occur when :
someone speaks into a microphone
