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Answer:
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Answer: C
Reflection
Explanation: Light travels in a straight line. Reflection is one of the properties of light. And this is the property in which mirror make use of. The ability of light to bounce back. It's this bouncing back characteristics of light ray that eventually produce the image of an object by the mirror.
If the light ray is absorbed, no image will be produced.
<span>the speed of something in a given direction. so i think none of these</span>
As per Newton's 2nd law
we know that

it is product of mass and acceleration
here we know that

also we know that

so from above equation we have


so the force here will be 10020 N