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Assertion : The focal length of the mirr...

Assertion `:` The focal length of the mirrorr is `f` and distance of the object from the focus is `u` , the magnification of the mirror is `f//u`.
Reason : Magnification `=("Size of the image")/("Size of object" )`

A

If both assertion and reason are true and the reason is the correct explanation of the assertion

B

If both assertion and reason are true but reason is not the correct explanation of the assertion

C

If assertion is true but reason is false

D

If the assertion and reason both are false

Text Solution

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The correct Answer is:
a
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