The prism of a spectrometer has a refracting angle `60^(@)` and is made of glass whose refractive indices for red and violet are respectively 1.514 and 1.530.A while source is used and the instrument is set to give minimum deviation for red and the. Determine (a) angle of incidence, (b) the angle of the emergence for violet light and (c) the angular width of spectrum
`49^(@)12',(b)50^(@)38',(c)1^(@)26`

The angle of prism is 5^(@) and its refractive indices for red and violet colours are 1.5 and 1.6 respectively. The angular dispersion produced by the prism is

Refracting angle of a prism is 2 radians. Refractive indices of its material for violet and red are respectively 1.62 and 1.5 Dispersion produced by it is

Prism angle of a prism is 10^(@) . Their refractive index for red and violet colour is 1.51 and 1.52 respectively. Then find the dispersive power.

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 thin glass prism has a refracting angle 6^(@) . The refractive indices of the material of the prism for red and violet colours are 1.56 and 1.6 respectively . What is the angular dispersion ?

White light is passed through a prism of refracting angle 6^(@) . If the refractive indices for red and blue rays are 1.64 and 1.66 respectively, calculate the angle of dispersion between them.

Yellow light is refracted through a prism producing minimum deviation. If i_(1)andi_(2) denote the angle of incidence and emergence for the prism, then

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