1.

A 1cm high object is placed 10cm away from cancave mirror with the focal length f=15 cm determine image height

Answer»

Answer:

virtual in nature having MAGNIFICATION 3.

Explanation:

Given U = -10cm , v= ? , f = -15cm

Applying mirror's formula,1/v +1/u = 1/f

1/v + 1/-10 = 1/-15

1/v = -1/15 + 1/10

=(-2+3)/30

= 1/30

V = 30 cm.

Hence, we get ENLARGED image, virtual in nature having magnification 3.



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