Question

Two point objects, P and Q are situated in front of a plane mirror at distances of 15 cm
and 30 cm respectively on the same straight line. Calculate the distance between the
object P and the image of Q.

Answer 1

NAE YOPO GINI RED RED RED LINE

Answer 2

Answer:

The distance between object P and the image of Q is 15 cm.

Explanation:

Given data:

• Distance between the plane mirror and object P (u) = 15 cm
• Distance between the plane mirror and object Q (v) = -30 cm (negative sign indicates the object is on the other side of the mirror)

To find: Distance between object P and image of Q (I)

Formula:

For a plane mirror, the image distance (v') is equal to the object distance (u).

Therefore, the distance between the object and the image (I) is given by:

I = v' - u

Calculation:

As per the formula, v' = -v = 30 cm (since the object is situated at the same distance behind the mirror as in front of it)

I = 30 cm - 15 cm = 15 cm

Therefore, the distance between object P and the image of Q is 15 cm.

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