focal length of the mirror is
a. 10cm b. 20cm c. 30cm d. 40 cm
Answers
Answered by
0
Answer:
It is based on the Radius of Curvature
Explanation:
focal length if twice the radius of curvature
R=2f
Answered by
0
Answer:
30CM
EXPLANTION:
IF THAT IS CONCAVE MIRROR IT WILL BE 30CM
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