Infinite times does the light reflect before exiting the space between the two mirrors.
Light reflection
Light reflects from a smooth surface at the same angle as it hits the surface. For a smooth surface, reflected light rays travel in the same direction. This is called specular reflection. For a rough surface, reflected light rays scatter in all directions. This is called diffuse reflection.
Reflection is when light bounces off an object. If the surface is smooth and shiny, like glass, water or polished metal, the light will reflect at the same angle as it hit the surface. This is called specular reflection.
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Answer:
New force, F' = F
Explanation:
Given that, two small balls, A and B, attract each other gravitationally with a force of magnitude F. It is given by :
If we now double both masses and the separation of the balls, the new force is given by :
F' = F
So, the new force remains the same as previous one. Hence, the correct option is (d) "F"
Of the materials listed wood is the best insulator. It would be the least hot if exposed to similar temperatures.
Answer:
v = 2683.33 m/s
Explanation:
The magnetic force and the electric force on the electron must be the same, in order for them to cancel each other:
where,
v = velcoity of electron = ?
E = Electric Field = 3059 V/m
B = Magnetic Field = 1.14 T
θ = Angle between velocity and magnetic field = 90°
Therefore,
<u>v = 2683.33 m/s</u>