GENERAL KNOWLEDGE

GK

PHYSICS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
light is a form of
A
water
B
heat
C
energy
D
None of the above
Explanation: 

Detailed explanation-1: -Light energy is a kind of kinetic energy with the ability to make types of light visible to human eyes. Light is defined as a form of electromagnetic radiation emitted by hot objects like lasers, bulbs, and the sun. Light contains photons which are minute packets of energy.

Detailed explanation-2: -Radiant energy is electromagnetic energy that travels in transverse waves. Radiant energy includes visible light, x-rays, gamma rays, and radio waves. Light is one type of radiant energy.

Detailed explanation-3: -Light is also the key element in the photosynthesis of plants, where it helps in creating food by converting itself in the form of energy used by plants. And thus, making light the only source of generation of food among the living organisms. Thus, light is also a form of energy.

Detailed explanation-4: -To explain the photoelectric effect, Einstein introduced the idea that light itself is made of discrete units of energy.

There is 1 question to complete.