Question

What does the sign of magnification indicates $(m=\frac{-v}{u})$?
a) Negative sign indicates image is real and inverted.
b) Positive sign indicates image is erect and virtual.
c) Positive sign indicates image is virtual.

• A. a, b
• B. b, c
• C. a, c
• D. a, b, c

Answer 1

The correct option is A a, b

The sign of magnification indicates nature of image, i.e.,
Negative sign indicates image to be inverted and real.
Positive sign indicates image to be erect and virtual.