Question

Showing mirror state the type of mirror used & state position nature &size of image when object is placed at distance equal to its focal length​

Answer 1

Answer:

mirror has glass that soo all opposite

Answer 2

Answer:

Object Distance(u) = 10 cm. (negative)

Focal length of the lens (f) = 5 cm.

We know, convex mirror always forms the virtual, upright and diminished.Also, Object distance in the convex mirror is always negative where as Image distance and focal length are positive.

Now, Applying the Mirror's Formula,

f

1

=

v

1

+

u

1

=

5

1

=

v

1

+

1

=

5

1

=

10v

(10−v)

10v=50−5v

15v=50

v=

3

10

..... .

hope it will help you good night take care sweet dreams ❤️ :)... ;)...

it will be convex mirror :)..