Advertisements
Advertisements
Question
Give one example when:
Light energy changes to chemical energy.
Advertisements
Solution
During photosynthesis, light energy changes to chemical energy.
RELATED QUESTIONS
Name the type of energy (kinetic or potential) possessed by the following:
A stretched rubber band.
Why using wood as fuel is not advisable although wood is a renewable source of energy?
What is the main source of energy for earth?
The following are some of the energy transformations.
A. Electrical to light
B. Work to heat
C. Chemical to light
D. Electrical to sound
E. Mechanical to electrical
Identify the energy transformation that takes place in the following by inserting the corresponding letter in the shape provided.
(i) A candle flame
(ii) A torch is lighted
(iii) A microphone is used in a meeting
(iv) A cycle dynamo
(v) A piece of metal is being filed
A body of mass 5 kg falls from a height of 10 m to 4 m. Calculate:
The total energy possessed by the body at any instant? (Take g = 10 ms-2).
What kind of energy is possessed in a situation when?
A cocked up spring of air gun.
Give one example when:
Electrical energy to heat energy.
Two bodies, A and B of equal mass are kept at heights 20 m and 30 m respectively. Calculate the ratio of their potential energies.
When and why do clothes smell of naphthalene?
What are the small particles that can be seen in a beam of light that enters a dark room?
