Question

The magnification of an object placed at a distance of 6 cm in front of concave mirror is -3. It means​

Answer 1

Answer:

1. It basically means the image is magnified

2. The - represents that the image is below the principal axis and is real

3. The 3 represents that the image size is magnified 3X

4. So it means that the image is real and it is magnified 3X

Answer 2

Solution :-

As per the given data ,

• Magnification = -3

Here , -3 means that the image formed is real , inverted and magnified .

If ,

• Magnification = + 3

Here , + 3 means that the image formed is virtual , erect and magnified .

Extra information :-

• The focal length of concave mirror is negative
• The focal length of convex mirror is positive

• Distances are always measured from the pole of the mirror