Prisms
Physics ⇒ Light and Optics
Prisms starts at 9 and continues till grade 12.
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See sample questions for grade 9
A prism is made of a material with a higher refractive index. Will the angle of deviation for a given angle of incidence increase or decrease?
Describe the difference between a right-angle prism and a triangular prism.
Describe what happens to a beam of monochromatic light when it passes through a prism.
Describe what is meant by the term 'angle of minimum deviation' for a prism.
A glass prism has a refractive index of 1.6. If the angle of the prism is 45°, what is the angle of minimum deviation? (Use the formula: n = sin[(A + D)/2] / sin(A/2))
A prism has a refracting angle of 60°. If the angle of minimum deviation is 40°, calculate the refractive index of the prism. (Use the formula: n = sin[(A + D)/2] / sin(A/2))
A ray of light enters a prism at an angle of 30° to the normal. If the refractive index of the prism is 1.5, calculate the angle of refraction inside the prism. (Use Snell's Law: n₁sinθ₁ = n₂sinθ₂, n₁=1 for air)
The refractive index of a prism for red light is 1.5 and for violet light is 1.6. Which color will deviate more?
The deviation produced by a prism depends on which of the following factors?
(1) Angle of the prism
(2) Refractive index of the material
(3) Wavelength of light
(4) All of the above
Which color of light bends the most when passing through a glass prism?
(1) Red
(2) Green
(3) Blue
(4) Violet
Which of the following best describes the path of light through a prism?
(1) It passes straight through without bending
(2) It bends towards the base of the prism
(3) It bends towards the apex of the prism
(4) It is absorbed by the prism
Which of the following is NOT a function of a prism?
(1) Reflecting light
(2) Refracting light
(3) Dispersing light
(4) Absorbing light
A ray of light passes through a prism and emerges on the other side. The angle between the incident ray and the emergent ray is called the _______.
If a prism is placed in water instead of air, the angle of deviation will _______.
If the angle of the prism is increased, the angle of deviation will generally _______.
The base of a prism is the side _______ to the refracting surfaces.
A prism is used in a laboratory to measure the wavelength of light. Is this statement True or False?
True or False: A prism can be used to measure the refractive index of a material.
True or False: A prism can separate white light into its constituent colors.
True or False: The angle of deviation increases as the angle of incidence increases beyond the angle of minimum deviation.
