English, asked by nidhiborade2006, 2 months ago

The focal length of concave mirror is always ​

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Answered by kusumthakur0088
3

Answer:

the focal length of concave mirror is always positive

Explanation:

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Answered by tinkik35
0

Answer:

Focal Length of Concave Mirror Formula

The focal length of the convex mirror is positive, whereas that of the concave mirror is negative. The same can also be proved by using the mirror formula: (1/f = 1/v +1/u).

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