Question

an object of height 5 cm is placed in the front of a lens find the position,size and nature of the image if lens is- a.convex lens of focal length 15cm b. a concave lens of focal length 10 cm distance of object and lens is 10cm.​

Answer 1

Answer:

15 cm

Explanation:

h

1

=5cm

u=−10cm

f=6cm

v

1

−

u

1

=

f

1

v

1

−

−10

1

=

6

1

v

1

=

6

1

−

10

1

=

30

2

=

15

1

v=15cm