Advertisements
Advertisements
Question
The colour of white light which is deviated the maximum on passing through the glass prism is:
(a) blue
(b) indigo
(c) red
(d) orange
Advertisements
Solution
indigo
Among the colours blue, indigo, red and orange, indigo is deviated the maximum on passing through a glass prism.
APPEARS IN
RELATED QUESTIONS
In the following ray diagram the correctly marked angle are:
(a) ∠i and ∠e
(b) ∠A and ∠D
(c) ∠i, ∠e and ∠D
(d) ∠r, ∠A and ∠D
After tracing the path of a ray of light through a glass prism a student marked the angle of incidence (∠i), angle of refraction (∠r) angle of emergence (∠e) and the angle of deviation (∠D) as shown in the diagram. The correctly marked angles are :
(A) ∠i and ∠r
(B) ∠i and ∠e
(C) ∠i, ∠e and ∠D
(D) ∠i, ∠r and ∠e
State the cause of dispersion of white light
Which is refracted most by a prism : red light or violet light? Explain why?
Draw a diagram to show the refraction of light through a glass prism. On this diagram, mark
(i) incident ray
(ii) emergent ray, and
(iii) angle of deviation.
Name the process which is involved in the formation of a rainbow.
The colour of white light which suffers the maximum bending (or maximum refraction) on passing through a glass prism is:
(a) yellow
(b) orange
(c) red
(d) violet
The splitting of white light into its constituent colours is called .............
Complete the ray diagram given below to show the nature of light produced on the screen.
The frequency range of visible light is from 3.75 × 1014 Hz to 7.5 × 1014 Hz. Calculate its wavelength range. Take speed of light = 3 × 108 m/s.
In which of the following four diagrams is the correct path of a ray of light passing through a glass prism shown ?
Answer the following:
What do you mean by dispersion? Name the different colours of light in the proper sequence in the spectrum of light.
Write the range of wavelength of the ultraviolet spectrum.
Write the range of wavelength of the infrared spectrum.
Sunlight entering through a narrow aperture falls on a prism. Draw a neat labelled ray diagram to show the formation of the spectrum on a screen. Name the colour obtained nearer the base of the prism.
The process of separation of light into its component colours while passing through a medium is called _______.
Why do we see a rainbow in the sky only after rainfall?
The periscope is an optical device with a polished surface that reflects the light falling on it.
During dispersion of white light by prism placed in air, for a particular value of angle of prism,
State True or False:
"Wavelength of red light is close to 700 nm.”
