Find the focal length of a concave mirror whose radius of curvature is 32 cm
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Answered by
2
R=32cm
2f=R
2F=32
F=16cm
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2f=R
2F=32
F=16cm
Mark as Brainlist
yuvrajsingh7396:
-16 cm
i want to check the IQ level
While doing a numerical the focal length is considered -ve of a concave mirror and elsewhere it is referred as +ve . U have to apply the sign convention yourself
understand or not
other person is saying 64 is focal length hehehe
ok dont mark as brainlist
yeh that is the best wrong answer
i am an expert and u are helping hand so 1 brainlist doesnt matter to me
ok friend
don't boast
Answered by
3
we know that
r=2f
here
radius of curvature (r) = 32cm
So
32 = 2f
32/2 = f
16cm =f
THUS THE FOCAL LENGTH OF THE CONCAVE MIRROR IS 16cm
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