Physics, asked by sanjaikumar8971, 2 months ago

The radius of convector spiracle mirror is 20 cm what is focal length

Answers

Answered by vipashyana1

4

Answer:

The focal length is 10cm.

Explanation:

R=2f

f=R/2

f=20/2

f=10cm

Therefore, the focal length is 10cm.

Answered by Sayantana

0

Answer:

focal length=r/2

Explanation:

20/2=10cm

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