A glass prism with a refracting angle of `60^(@)` has a refractive index 1.52 for red and 1.6 for violet light. A parallel beam of white is incident on one face at an angle of incident which gives minimum deviation for red light. Find :
[Use : `sin(50^(@))=0.760 , sin(31.6^(@))=0.520 , sin (28.4^(@))=0.475 , sin (56^(@))= 0.832 , = 22//7`]
The angle of incidence at the prism is :

A glass prism with a refracting angle of 60^(@) has a refractive index 1.52 for red and 1.6 for violet light. A parallel beam of white is incident on one face at an angle of incident which gives minimum deviation for red light. Find : [Use : sin(50^(@))=0.760 , sin(31.6^(@))=0.520 , sin (28.4^(@))=0.475 , sin (56^(@))= 0.832 , = 22//7 ] The angular width of the spectrum is :

A glass prism with a refracting angle of 60^(@) has a refractive index 1.52 for red and 1.6 for violet light. A parallel beam of white is incident on one face at an angle of incident which gives minimum deviation for red light. Find : [Use : sin(50^(@))=0.760 , sin(31.6^(@))=0.520 , sin (28.4^(@))=0.475 , sin (56^(@))= 0.832 , = 22//7 ] The length of the spectrum if it is focussed on a screen by a lens of focal length 100 cm is :

A glass prism with a refracting angle of 60^(@) has a refractive index 1.52 for red and 1.6 for violet light. A parallel beam of white light is incident on one face at an angle of incident, which gives minimum deviation for red light. Find : (a) the angle of incidence (b) angular width of the spectrum (c) the length of the spectrum if it is focussed on a screen by lens focal length 100 cm . [Use: sin (49.7^(@)) =0.760, sin (31.6^(@))=0.520 , sin (28.4^(@))=0.475, sin (56^(@))=0.882 , pi =22//7 ]

A prism of angle 60^(@) is made of glass of refractive index 1.50 for red and 1.56 for violet. Find the angular separation of these rays when a narrow pencil of composite light is incident at minimum deviation.

A prism has refracting angle of 60° and its material has refractive index 1.5 and 1.6 for red and violet light respectively. A parallel beam of white light is incident on one face of the prism such that the red light undergoes minimum deviation. Find the angle of incidence (i) and the angular width (theta) of the spectrum obtained. Given: sin (49^(@)) = 0.75^(@), sin(28^(@)) = 0.47, sin(32^(@)) = 0.53, sin(58^(@)) = 0.85

The refracting angle of a prism is A and the refractive index of its material is cot A//2 .For a ray of light incident on the prism,find the angle of minimum deviation in terms of A.

A glass prism of refracting angle 60^(@) and of refractive index 1.6, is immersed in water (refractive index is 1.33). What is its angle of minimum deviation ? [sin 36.87^(@) = 0.6]