Question

If an object is placed 20 cm in front of a plane mirror what will be the distance between

(i) the object and the image

(ii) mirror and the image


♥A.Hassan here♥​

Answer 1

Answer:

solution given below

Explanation:

An object is placed 20 cm in front of a plane mirror then the image is formed at 20 cm behind the mirror. If the mirror is moved 2 cm toward the object. Hence, The total distance between the positions of the original and final image is 4 cm.

Answer 2

Answer:

The total distance between the positions of the original and final image is 4 cm.

Explanation:

We know that,

For plane mirror,

The image distance = - The object distance

An object is placed 20 cm in front of a plane mirror then the image is formed at 20 cm behind the mirror.

If the mirror is moved 2 cm toward the object.

The distance between object and mirror = 20-2 = 18 cm

The distance between image and mirror = 20-2 = 18 cm

Therefore, the total distance between the positions of the original and final image is

d = distance of the original image - distance of the final image

Hence, The total distance between the positions of the original and final image is 4 cm.

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