The radius of curvature of concave mirror is 20cm . find its focal length.
sagar10031:
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Answered by
7
Radius of curvature = 20cm
focal length =20÷2
= -10cm
focal length =20÷2
= -10cm
answer will not in negative
Focal length of concave mirrors are -ve
thanks
Answered by
6
R = 2f
20 = 2f
f = - 10 cm
Concave mirrors focal length is negative
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20 = 2f
f = - 10 cm
Concave mirrors focal length is negative
The answer for ur question is given
Hope it is helps you
Please mark me brainliest please please
Follow me
mark me brainliest
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