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Recent questions tagged ray-optics-and-optical-instruments

A concave mirror of focal length f(in air) is immerssed in water $(\mu =\large\frac{4}{3} ) $. The focal length of mirror in water will be

asked Jan 15, 2014 by meena.p

1 answer

Which one of the following statement is true.

asked Jan 15, 2014 by meena.p

1 answer

Two plane mirrors are inclined to each other at some angle. A ray of light incident at $30^{\circ}$ on one mirror after reflection from the other mirror retracts its path. The angle between the mirror is :

asked Jan 15, 2014 by meena.p

1 answer

A ray of light is reflected by two plane mirror mutually at right angles to each other. What is the deviation of reflected ray from the incident ray

asked Jan 15, 2014 by meena.p

1 answer

A ray of light is incident at an angle of $20^{\circ}$ to the normal. What is the deviation caused due to reflection?

asked Jan 15, 2014 by meena.p

1 answer

A man is walking towards the plane mirror at the speed of $4 km/hr$ . What is the speed with which he is approaching his image?

asked Jan 15, 2014 by meena.p

1 answer

Two plane mirrors are inclined to each other in such a way that a ray of light moving parallel to one mirror comes out parallel to the other mirror after two reflections. The angle between the mirrors is :

asked Jan 15, 2014 by meena.p

1 answer

A ray of light is incident at $30^{\circ} $ on the plane mirror. What is the angle between mirror and reflected ray ?

asked Jan 15, 2014 by meena.p

1 answer

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