Question

four times enlarged real image is formed when object is placed 50 cm away from concave mirror find v and focal length and nature of image​

Answer 1

Explanation:

When an object is plced at a distance of 50cm from a concave sperical mirror, the magnification produced is, 1/2.

✪============♡============✿

$\huge \pink{✿} \red {C} \green {u} \blue {t} \orange {e} \pink {/} \red {Q} \blue {u} \pink {e} \red {e} \green {n} \pink {♡}$

Answer 2

Explanation:

Given,

Focal length, f=50cm

Magnification, m=2

m=

u

v

=2

v=2u

From mirror formula,

f

1

=

v

1

+

u

1

f

1

=

2u

1

+

u

1

u=

2

3f

=

2

3×50

=75 cm

Object Is placed at 75cm from the mirror.