Prisms
Physics ⇒ Light and Optics
Prisms starts at 9 and continues till grade 12.
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See sample questions for grade 12
A glass prism has a refractive index of 1.5. If the angle of the prism is 60°, what is the minimum angle of deviation? (Use n = sin[(A + Dm)/2] / sin(A/2))
A prism has an angle of 30° and produces a minimum deviation of 20°. If the refractive index of the material is 1.52, verify if the given values are consistent using the prism formula.
A prism is made of a material with a refractive index of 1.7. If the angle of the prism is 40°, what is the value of sin(A/2)?
A ray of light is incident on a prism with an angle of prism 45° and refractive index 1.6. If the angle of minimum deviation is 30°, calculate the value of sin[(A + Dm)/2].
A ray of light passes through a glass prism of angle 60° and refractive index 1.5. If the angle of minimum deviation is 40°, calculate the angle of incidence at minimum deviation.
A ray of light passes through a prism and emerges at an angle of 40° to the base. If the angle of the prism is 30° and the angle of incidence is 50°, calculate the angle of deviation.
Describe the effect of increasing the angle of the prism on the angle of minimum deviation, assuming the refractive index remains constant.
Describe the path of a monochromatic light ray as it passes through a triangular glass prism.
Explain why a glass prism does not produce a spectrum when monochromatic light is used.
Explain why a prism produces a spectrum of colors when white light passes through it.
Explain why the angle of deviation decreases to a minimum value and then increases as the angle of incidence increases for a prism.
Explain why the emergent ray in a prism is not parallel to the incident ray except at a specific angle of incidence.
State the condition for minimum deviation in a prism.
The refractive index of a prism is determined using the formula n = sin[(A + Dm)/2] / sin(A/2). What do the symbols A and Dm represent?
What is a prism in the context of optics?
Which property of a prism is responsible for the separation of colors in white light?
