Explain the Light ?
Answers were Sorted based on User's Feedback
Answer / guest
It is the cause of the physical sensation of vision. A body
which emits light by itself is known as luminous body e.g.
visible when illuminated by light from other sources is
called non-luminous body e.g. chair, table etc.
| Is This Answer Correct ? | 0 Yes | 0 No |
Answer / guest
light is energy and light is all around . the only light
the human eye can detect is between 450nm and around 740nm.
because light is energy it is also heat. the real question
is what is darkness? we know that absolute darkness can not
be obtained only the absence of visible light.
| Is This Answer Correct ? | 0 Yes | 0 No |
assuming friction is negligible, if a lever has a mechanical advantage of 5, how much effort in newtons is needed to lift a 10 newton load?
What is the difference between Centigrade thermometer and a Reaumer thermometer ?
Explain the Modes of Transfer of Heat ?
egg or hen which came first
Explain the Photometry ?
How is radiation emitted from the body?
Explain what is the rectilinear propagation of light?
What is the difference between intrinsic and extrinsic semiconductors?
What is soda water ?
Why it becomes bitterly cold as soon as the snow starts melting?
what is the principle used in electromagnetic spectrum?and why there is a necessary of having an electron with unpaired spins?and how the uncertainity principle is used to determine the frequency of an spectral lines ?
What path does an asteroid take?