Physics, asked by shauryashivani3273, 9 months ago

A concave mirror is made by cutting a hollow thin glass spher of radius 30 cm. Find its focal length

Answers

Answered by kumarnaresh003

0

Answer:

focal length = R/2

F = 30/2 = 15 cm

15 cm will be focal length

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Answered by sonibharti78700

0

Explanation:

Focal length =1/2 of radius

Focal length =30/2=15

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