Advertisements
Advertisements
Question
State True or False:
"Wavelength of red light is close to 700 nm.”
Options
True
False
Advertisements
Solution
This statement is True.
APPEARS IN
RELATED QUESTIONS
Draw a ray diagram to explain the term angle of deviation.
As light rays pass from air into a glass prism, are they refracted towards or away from the normal?
When a beam of white light is passed through a prism, it splits to form lights of seven colours. Is it possible to recombine the lights of seven colours to obtain the white light again? Explain your answer.
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
Out of the following, the colour of light having the maximum wavelength is:
(a) violet
(b) indigo
(c) green
(d) orange
The speed of light in air or vacuum is
How does the speed of light determine the optical density of a medium?
Which is optically denser: water or air? Give reason
Explain the cause of dispersion of white light through a prism.
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
Answer the following:
What do you mean by dispersion? Name the different colours of light in the proper sequence in the spectrum of light.
How can the presence of ultraviolet radiation be detected?
Write the range of wavelength of the infrared spectrum.
Write an Explanation.
Critical angle
The splitting of white light in to seven colors is called ______.
The sunlight can be split into its constituent colors using ______.
Say TRUE or FALSE
After passing through a prism, white light splits into a band of seven colours
In the following diagram showing dispersion of white light by a glass prism, the colours 'P' and 'Q’ respectively are:
