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प्रश्न
The wavelengths of violet and red light are 4000 Å and 8000 Å respectively. Which of the two has the higher frequency?
उत्तर
A higher frequency is associated with a lower wavelength. Thus, 4000 Å wavelength violet light has a greater frequency.
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संबंधित प्रश्न
The path of a ray of light passing through a glass prism is shown below:
In this diagram, the angle of prism, angle of incidence, angle of emergence and angle of deviation, respectively, have been represented by:
(A) O, Y, Z and N,
(B) P, Y, M and Z,
(C) O, X, M and Z,
(D) P, X, Z and N.
What happens when a ray of ordinary light is passed through a triangular glass prism?
Which of the following colour of white light has the least wavelength?
(a) red
(b) orange
(c) violet
(d) blue
The seven colours in the spectrum of sunlight in order, are represented as :
The diagram below shows the path taken by a narrow beam of yellow monochromatic light passing through an equiangular glass prism. If the yellow light is replaced by a narrow beam of white light incident at the same angle, draw another diagram to show the passage of white light through the prism and label it to show the effect of prism on the white light.
Answer the following question:
Differentiate between a glass slab and a glass prism. What happens when a narrow beam of
(i) a monochromatic light, and
(ii) white light passes through
(a) glass slab and
(b) glass prism?
Write an Explanation.
Critical angle
Name the scientist who was the first to use a glass prism to obtain the spectrum of sunlight.
The splitting of white light into its component colours is called ____________.
State True or False:
"Wavelength of red light is close to 700 nm.”
