Math, asked by sudipta2659, 11 months ago

An object is placed 21cm infront of a concave mirror of radius of cruvature 20cm

Answers

Answered by abhishekachuks

0

Answer:

Step-by-step explanation:

1/v'+1/22.5=1/10

v'=10*22.5/(22.5-10)

v'=18cm

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