An object is kept at a distance of 60 cm from a concave mirror. For getting a magnification of 1/2, focal length of the concave mirror required is - VgyanHub

Question:

An object is kept at a distance of 60 cm from a concave mirror. For getting a magnification of 1/2, focal length of the concave mirror required is

Options :

(a) 20 cm
(b) 40 cm
(c) -20 cm
(d) 30 cm
(e) 10 cm

Answer :

(c) -20 cm

Answer Steps :

step 1

step 2

Video Tutorial

Related Questions

The kinetic energy of a particle executing a linear SHM is 16 J, when it is in the mean position. If the amplitude is 25 cm, periodic time of the particle in second is (Mass of the particle = 51.2 g)

A body of mass ‘M’ executes SHM Along x-axis with frequency ‘n’. At a distance x from the mean position, the body has kinetic energy ‘K’ and potential energy ‘P’. The amplitude of oscillation of the SHM is

The bob of a simple pendulum of ‘length ‘l’ is pulled through an angle ‘θ’ from its equilibrium position and them released. When it passes through its equilibrium position, its speed is given by: (g = acceleration due to gravity)

Explore Our Courses