A concave mirror produces three times enlarged virtual image of an object placed at 10 cm in front of it. Calculate the focal length of the mirror.
m=3 (virtual image)
u=-10cm
R=?
We know that
Focal length of the mirror is 15 cm.
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A concave mirror produces three times enlarged virtual image of an object placed at 10 cm in front of it. Calculate the focal length of the mirror.
m=3 (virtual image)
u=-10cm
R=?
We know that
Focal length of the mirror is 15 cm.