Exams › NEET › Physics

Critical angle for light going from medium (i) to (ii) is  . The speed of light in medium (i) is v then speed in medium (ii) is

1. ) cos 1 (   v
2.  sin / v
3.  cos / v
4. ) sin 1 (   v

Correct answer:  sin / v

Related NEET Physics questions

• A ray is reflected in turn by three plain mirrors mutually at right angles to each other. The angle between the incident and the reflected rays is
• To get three images of a single object, one should have two plane mirrors at an angle of
• A light beam is being reflected by using two mirrors, as in a periscope used in submarines. If one of the mirrors rotates by an angle  , the reflected light will deviate from its original path by the angle
• In a concave mirror experiment, an object is placed at a distance 1 x from the focus and the image is formed at a distance 2 x from the focus. The focal length of the mirror would be
• A ray of light is incidenting normally on a plane mirror. The angle of reflection will be
• A man having height 6 ft. He observes image of 2 ft height erect, then mirror used is

⚔️ Practice NEET Physics free + battle 1v1 →