Year: 2022
Topic: Ray optics and optical instruments
Time :
1.
A light ray falls on a glass surface of refractive index \(\sqrt{3}\) , at an angle \(60^ \circ\) . The angle between the refracted and reflected rays would be :
(1). \(30^\circ\)
(2). \(60^\circ\)
(3). \(90^\circ\)
(4). \(120^\circ\)