Question

an object 5cm high is placed at a distance of 20cm from a convex mirror having focal length 15 cm . find the position ,nature and size of image formed​

Answer 1

Explanation:

v

1

+

u

1

=

f

1

Given,

v

1

+

(−20)

1

=

15

1

v

1

=

60

7

⇒v=

7

60

v=8.57≈8.6cm

The image is formed behind the mirror at a distance of 8.6 cm

m=

h

1

h

2

=−

u

v

→

5

h

2

=−

20

8.57

∴h

2

=2.175 cm

Thus the image is 2.175 cm high, virtual and erect.

Answer 2

Answer:

hey mate ...

here is ur answer...

..

The position of the object will be..

.8.6 cm behind the mirror.

..

nature will be..

virtual and erect

..

size will be...

2.175 cm

..

hope it helps u...

THANKS.....

mark as brainleast..

..