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प्रश्न
In the following diagram, the path of a ray of light passing through a glass prism is shown:
In this diagram the angle of incidence, the angle of emergence and the angle of deviation respectively are (select the correct option):
(A) X, R and T
(B) Y, Q and T
(C) X, Q and P
(D) Y, Q and P
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उत्तर
The angle made by the incident ray with the normal to the first face of the prism is called incident angle, which is angle Y here.
The angle made by the emergent ray with the normal to the surface when it comes out from the prism after refraction is called emergent angle, which is angle Q here.
The angle between the incident ray and the emergent ray is called angle of deviation, which is angle P here.
Hence, the correct option is D.
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संबंधित प्रश्न
A student traces the path of a ray of light through a triangular glass prism for different values of angle of incidence. On analyzing the ray diagrams, which one of the following conclusions is he likely to draw?
(A) The emergent ray is parallel to the incident ray.
(B) The emergent ray bends at an angle to the direction of the incident ray.
(C) The emergent ray and the refracted ray are at right angles to each other.
(D) The emergent ray is perpendicular to the incident ray.
What happens when a ray of ordinary light is passed through a triangular glass prism?
How could you show that the colours of the spectrum combine to give white light?
The seven colours in the spectrum of sunlight in order, are represented as :
When we place a glass prism in the path of a narrow beam of white light a spectrum is obtained. What happens when a second identical prism is placed in an inverted position with respect to the first prism? Draw a labelled ray diagram to illustrate it.
If white light is used in same way what change is expected in the emergent beam?
Complete the ray diagram given below to show the nature of light produced on the screen.
The completed ray diagram is as shown below:
The phenomena of light involved in the formation of rainbow are ______.
State True or False:
"Wavelength of red light is close to 700 nm.”
