Question

If the magnification of the mirror is – 1.5 , then answer the following:- (a) Name the mirror (b) State the nature of the image. (c) State the size of the image formed whether it is magnified or diminished.

Answer 1

Given:

Magnification of a mirror is given as -1.5

To find:

• Name of mirror
• Nature of image
• Whether image is magnified or diminished?

Calculation:

Since the magnification is provided as -1.5 , we can get the following information about the image formed by the mirror :

• Image is magnified

• Image is inverted

• Image is real

1. From these information , we can say that the mirror is a concave mirror.

2. Nature of image is real , inverted and magnified.

$\sf{magnification = - 1.5}$

$\sf{= > \dfrac{h_{i}}{h_{o}} = - 1.5}$

$\sf{= > h_{i} = - 1.5 \times h_{o}}$

$\sf{= > h_{i} > h_{o}}$

3. So image is magnified and has higher dimensions as compared to the object.