The focal length of a concave mirror is 12 cm . Where should an object of length 4 cm be placed so that a real image of 1 cm length is formed ?

The focal length of a concave mirror is 20 cm . Where should an object be placed to get an image magnified twice?

The focal length of a concave mirror is 50cm. Where an object be placed so that its image is two times and inverted

The focal length of a concave mirror is 50cm. Where an object be placed so that its image is two times and inverted

Answer the following questions: The focal length of a concave mirror is 15cm. Where should on object be placed in front of this mirror so as to obtain an image which is real, inverted and of the same size as the object? Justify your answer.

A diverging lens of focal length 12 cm and a converging mirror of focal length 10 cm are placed coaxially at a separation of 5 cm. Where should an object be placed so that a real image is formed at the object itself ?

A diverging lens of focal length 20 cm and a converging mirror of focal length 10 cm are placed coaxially at a separation of 5 cm. Where should an object be placed so that a real image is formed at the object itself ?

A diverging lens of focal length 20 cm and a converging mirror of focal length 10 cm are placed coaxially at a separation of 5 cm. Where should an object be placed so that a real image is formed at the object itself ?

A point source S is placed at distance of 15 cm from a converging lens of focal length 10 cm . Where should a (i) concave mirror (ii) convex mirror of focal length 12 cm be placed so that real image is formed on object itself.

A point source S is placed at distance of 15 cm from a converging lens of focal length 10 cm . Where should a (i) concave mirror (ii) convex mirror of focal length 12 cm be placed so that real image is formed on object itself.