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Question
State True or False:
"Wavelength of red light is close to 700 nm.”
Options
True
False
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Solution
This statement is True.
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RELATED QUESTIONS
Study the following diagrams in which the path of a ray of light passing through a glass prism as traced by four students P, Q, R and S is shown:
The student who has traced the path correctly is
(A) P
(B) Q
(C) R
(D) S
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.
In the following diagram the correctly marked angles are :
(a) ∠A and ∠e
(b) ∠i, ∠A and ∠D
(c) ∠A ∠r and ∠e
(b) ∠A ∠r and ∠D
Draw a ray diagram to show the dispersion of white light.
What is spectrum? What is the name of glass shape used to produce a spectrum?
What are the seven colours seen in a rainbow?
Which of the following colour of white light is least deviated by the prism?
(a) green
(b) violet
(c) indigo
(d) yellow
When white light passes through a prism, it ............
Complete the ray diagram given below to show the nature of light produced on the screen.
In the following diagram, the correctly marked angles are
(A) All
(B) Only ∠i and ∠A
(C) ∠i, ∠r and ∠A
(D) ∠i, ∠A and ∠D
In an experiment to trace the path of a ray of light through a triangular glass prism, a student would observe that the emergent ray
(a) is parallel to the incident ray.
(b) is along the same direction of incident ray.
(c) gets deviated and bends towards the thinner part of the prism.
(d) gets deviated and bends towards the thicker part (base) of the prism.
In which of the following four diagrams is the correct path of a ray of light passing through a glass prism shown ?
Suggest one way, in each case, by which we can detect the presence of Infrared radiations.
The splitting of white light in to seven colors is called ______.
Say TRUE or FALSE
After passing through a prism, white light splits into a band of seven colours
What is dispersion? Explain in detail.
dispersive power of crown glass? Given that µv = 1.5230, µr = 1.5145
In the following diagram showing dispersion of white light by a glass prism, the colours 'P' and 'Q’ respectively are:
