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प्रश्न
Match the Columns:
| Column ‘A’ | Column ‘B’ |
| The wavelength of red light | (a) 600 nm |
| (b) 700 nm | |
| (c) 500 nm |
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उत्तर
| Column ‘A’ | Column ‘B’ |
| The wavelength of red light | (b) 700 nm |
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संबंधित प्रश्न
Draw a ray diagram to show the dispersion of white light.
As light rays pass from air into a glass prism, are they refracted towards or away from the normal?
What is spectrum? What is the name of glass shape used to produce a spectrum?
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
Why do you not see a spectrum of colours when light passes through a flat pane of glass?
Which is optically denser: water or air? Give reason
What conclusion do you draw about the nature of white light in part (b)?
In which of the following four diagrams is the correct path of a ray of light passing through a glass prism shown ?
An object AB is placed in front of a convex lens as shown in fig. 4. Complete the ray diagram and obtain the image formed and state the nature of the image.
The wavelengths of violet and red light are 4000 Å and 8000 Å respectively. Which of the two has the higher frequency?
The wavelength range of white light is ______.
A wave has wavelength 50Å of State its one use.
What do you understand by spectrum? Name the seven prominent colours in order, as obtained in the spectrum of white light.
Curved mirrors have surfaces that are spherical, cylindrical, parabolic, and ellipsoid.
dispersive power of crown glass? Given that µv = 1.5230, µr = 1.5145
Observe the given diagram and answer the questions:
- Name the process shown in the figure.
- Name the colour that deviates the most.
- Name the colour that deviates the least.
- Name any one phenomenon in nature which is based on the above process.
- Define ‘spectrum’.
When sunlight passes through water droplets in the atmosphere it gets dispersed into its constituent colours forming a rainbow. A similar phenomenon is observed when white light passes through a prism.
Which colour will show the maximum angle of deviation and which colour will show the minimum angle of deviation?
