Physics, asked by kashni02, 7 months ago

28.
Let an object be placed at a distance 40 cm from
the focus in front of a concave mirror of focal length
'f' and its image be formed at a distance 90 cm
from the focus. Then
(1) f= 60 cm
(2) f= 65 cm
(3) f=36 cm
(4) f=50 cm

Answers

Answered by PayalKamra

0

Answer:

1) f=60cm

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