beautiful patterns are formed in a kaleidoscope because of multiple reflection . explain and specify how it is different from a
periscope by diagrams.
1 answer:
Periscope is a tube containing mirrors or prisms for seeing things which are otherwise not possible to see due to some obstacle. Two mirrors are aligned at 45 degrees through which light bounces off and enables the observer to see beyond the obstacle. This is specially used in submarines.
A kaleidoscope is an optical device which contains mirrors and colored glass pieces in a tube. When the tube is rotated, beautiful patterns are formed due to multiple reflections.
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Answer:
The ratio of electric force to the gravitational force is
Explanation:
It is given that,
Distance between electron and proton,
Electric force is given by :
Gravitational force is given by :
Where
is mass of electron,
is mass of proton,
is charge on electron,
is charge on proton,
So, the ratio of electric force to the gravitational force is . Hence, this is the required solution.