Chapter
16
Light
Milestone
State any
Light helps
one Property of light ?
to all thing visible
2 Com light energy be converted to any other form of
energy ? Justify
energy is present in many farm all around us such
an electrical kinetic Thermal Patential and various
ather forms light energy can be covered to heat ener
electricde energy con be couerted to mechanical
energy light energy, heat energy etc..
What is the speed of light ?
300 000 kilometer per second.
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Answer:
The main source of light on Earth is the Sun. ... The primary properties of visible light are intensity, propagation direction, frequency or wavelength spectrum, and polarization, while its speed in a vacuum, 299,792,458 metres per second, is one of the fundamental constants of nature.
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