Which of the following form of energy is in the form of electromagnetic radiation?
a) mechanical energy
b) light energy
c) electrical energy
d) sound energy
Light consists of …….
a) electrons
b) neutrons
c) photons
d) protons
Light travels in the form of …….
a) waves
b) particles
c) current
d) both a and b
Electrical energy is a type of …….energy?
a) potential
b) kinetic
c) gravity
d) elastic
Sound energy is a type of …….energy.
a) potential
b) kinetic
c) gravity
d) all of these
Which of the following energy type is produced by the vibration of an abject and needs medium to travel?
a) mechanical energy
b) light energy
c) electrical energy
d) sound energy
