Draw a properly labelled graph between the angle of incidence and the angle of deviation for a prism and show the point of minimum deviation.

Important Questions on Refraction and Dispersion of Light through a Prism

EASY

12th ICSE

IMPORTANT

ISC Physics Class 12, Part-2>Chapter 4 - Refraction and Dispersion of Light through a Prism>QUESTIONS>Q 2

State the factors on which the deviation produced by a prism depends.

MEDIUM

12th ICSE

IMPORTANT

ISC Physics Class 12, Part-2>Chapter 4 - Refraction and Dispersion of Light through a Prism>QUESTIONS>Q 3

Calculate angle of minimum deviation

(δ_{m})

for a regular glass prism. (Refractive index of glass

= 1.6

)

MEDIUM

12th ICSE

IMPORTANT

ISC Physics Class 12, Part-2>Chapter 4 - Refraction and Dispersion of Light through a Prism>QUESTIONS>Q 4

In the figure, $A B C D$ is a ray of light passing through an equilateral glass prism $(E F G)$ , and suffering minimum deviation. Calculate the angle of refraction at $B$ , and the angle $E B C$ . (Refractive index of glass is $1.5$ )

Question Image

EASY

12th ICSE

IMPORTANT

ISC Physics Class 12, Part-2>Chapter 4 - Refraction and Dispersion of Light through a Prism>QUESTIONS>Q 5

A ray of light passing through a prism deviate towards the base of the prism. Can you think of a situation when the ray would deviate away from the base?

EASY

12th ICSE

IMPORTANT

ISC Physics Class 12, Part-2>Chapter 4 - Refraction and Dispersion of Light through a Prism>QUESTIONS>Q 6

How does the speed of light in glass change on increasing the wavelength of light. Explain similarly for the speed of light in vacuum.

EASY

12th ICSE

IMPORTANT

ISC Physics Class 12, Part-2>Chapter 4 - Refraction and Dispersion of Light through a Prism>QUESTIONS>Q 6

How does the speed of light in glass change on increasing the intensity of light. Explain similarly for the speed of light in vacuum.

EASY

12th ICSE