Advertisements
Advertisements
Question
You might have seen some beautiful fireworks during Diwali. It is an example of the transformation of ______ energy into ______ energy.
Options
light
atom
chemical
solar
Solution
You might have seen some beautiful fireworks during Diwali. It is an example of the transformation of chemical energy into light energy.
RELATED QUESTIONS
Fill in the blank
Energy possessed by a compressed spring is ______ energy.
Give one example of a body that has potential energy, in due to its state.
Write an expression for the potential energy of a body of mass m placed at a height h above the earth's surface. State the assumptions made, if any.
Why using wood as fuel is not advisable although wood is a renewable source of energy?
What is solar energy?
A hydroelectric power station takes its water from a lake whose water level is 50 m above the turbine. Assuming an overall efficiency of 40%, calculate the mass of water which must flow through the turbine each second to produce power output of 1 MW. (Take g = 10 m s-2)
A body of mass 50 kg has a momentum of 3000 kg−1 ms. Calculate:
(j) the kinetic energy of the body.
(ii) the velocity of the body.
A body of mass m falls from a height h1 to a height h2, above the ground (h1 > h2). What is the loss of potential energy?
Obtain an expression for the kinetic energy of a body of mass m moving with a velocity v?