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Question
A wave has wavelength 50Å of State its one use.
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Solution
X-rays are used to study atomic arrangement in crystals as well as complex molecules.
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
As light rays pass from air into a glass prism, are they refracted towards or away from the normal?
Describe how you could demonstrate that white light is composed of a number of colours.
Name the process which is involved in the formation of a rainbow.
Out of air and glass, which is optically rarer? Give reason.
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?
The splitting of white light in to seven colors is called ______.
In dispersion, the color of light that will bend more is ______.
What is a rainbow?
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’.
