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प्रश्न
The seven colours in the spectrum of sunlight in order, are represented as :
पर्याय
VIBGYOR
VIGYBOR
BIVGYOR
RYOBIVG
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उत्तर
VIBGYOR
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संबंधित प्रश्न
Study the following ray diagram:
In this diagram, the angle of incidence, the angle of emergence and the angle of deviation respectively have been represented by
(A) y, p, z
(B) x, q, z
(C) p, y, z
(D) p, z, y
The splitting up of white light into seven colours on passing through a glass prism is called ______.
Which of the following colour of white light has the least wavelength?
(a) red
(b) orange
(c) violet
(d) blue
Out of air and glass, which is optically rarer? Give reason.
A ray of white light falls on a prism. Draw a ray diagram to show that the prism disperses the white light.
In an experiment to trace the path of a ray of light through a glass prism for different values of angle of incidence a student would find that the emergent ray:
(A) is parallel to the incident ray
(B) perpendicular to the incident ray
(C) is parallel to the refracted ray
(D) bends at an angle to the direction of incident ray
Observe the given figure and write appropriate phenomenon of light in the box.
State True or False:
"Wavelength of red light is close to 700 nm.”
A ray of light is incident at 45° on an equilateral prism in the diagram below.
- Name the phenomenon exhibited by the ray of light when it enters and emerges out of the prism.
- State the cause of the above phenomenon mentioned by you.
