Advertisements
Advertisements
Question
______ colour is deviated the least in the spectrum of white light obtained with a glass prism.
Options
Red
Yellow
Violet
Blue
Advertisements
Solution
Red colour is deviated the least in the spectrum of white light obtained with a glass prism.
APPEARS IN
RELATED QUESTIONS
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
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
As light rays pass from air into a glass prism, are they refracted towards or away from the normal?
In the formation of spectrum of white light by a prism:
which colour is deviated most?
When a ray of light enters a prism, it bends ______ the normal; as it leaves the prism, it bends ______ the normal.
Make two diagrams to explain refraction and dispersion.
Describe how you could demonstrate that white light is composed of a number of colours.
What acts as tiny prisms in the formation of a rainbow?
Name the process which is involved in the formation of a rainbow.
Explain the cause of dispersion of white light through a prism.
If a monochromatic beam of light undergoes minimum deviation through an equiangular prism, how does the beam pass through the prism, with respect to its base?
Make the correct choice for each of the following:
Which one of the following Fig correctly shows the path of the ray through the glass block?
A wave has wavelength 50Å of name the wave.
What do you understand by spectrum? Name the seven prominent colours in order, as obtained in the spectrum of white light.
Write the range of wavelength of the visible spectrum.
Draw a neat and labelled diagram for dispersion of light.
Observe the given figure and answer the following questions.
- Which colour light rays bend most?
- Which colour light rays bend least.
- What is the wavelength of violet light rays?
Why do we see a rainbow in the sky only after rainfall?
dispersive power of crown glass? Given that µv = 1.5230, µr = 1.5145
