Question

For a given data, showing the object distance and focal length of 3

concave mirrors, answer the following questions.

Sl.

no

Object distance, u

(cm)

Focal length, f

(cm)

1. 30 20

2. 10 15

3. 20 10



i) Out of the 3 cases, in which case the mirror will form the

image having the same size as the object. (1m)

ii) Draw the ray diagram for case 2. (2m)

iii)In the above case 1find the position and nature of the image. ​

Answer 1

Answer:

An alloy is an admixture of metals, or a metal combined with one or more other elements.

Explanation: