Question

For a concave mirror of focal length 20 cm, If the object is at a distance of 30 cm from the pole, the nature of image and magnification will be –

• A. Real and – 2
• B. Virtual and – 2
• C. Real and + 2
• D. Virtual and + 2

Answer 1

Answer: (A)

Real and – 2

Answer 2

As object is between F and 'C' so image is Real.

m = = $\frac { - 20 } { - 20 - ( - 30 ) }$ = – 2