a concave mirror of radius 40 cm what is focal length of a mirror show the answer
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HERE IS THE ANSWER
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We know ,
R=2f
So, 40=2f
40/2=f
20=f
Therefore f=20cm.
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--------------------------------
We know ,
R=2f
So, 40=2f
40/2=f
20=f
Therefore f=20cm.
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harireigns0510:
I know this answer already bro there asking which mirror
wait its actually concave mirtor right
mirror*
yes bro
yes
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