An object is kept at a distance of 60 cm from a concave mirror. For getting a magnification of 1/2, focal length of the concave mirror required is - VgyanHub

Question:

An object is kept at a distance of 60 cm from a concave mirror. For getting a magnification of 1/2, focal length of the concave mirror required is

Options :

(a) 20 cm
(b) 40 cm
(c) -20 cm
(d) 30 cm
(e) 10 cm

Answer :

(c) -20 cm

Answer Steps :

step 1

step 2

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