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प्रश्न
A wave has wavelength 50Å of State its one use.
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उत्तर
X-rays are used to study atomic arrangement in crystals as well as complex molecules.
संबंधित प्रश्न
Describe an activity to show that colours of white light splitted by a glass prism can be recombined to get white light by another identical glass prism. Also draw ray diagram to show the recombination of the spectrum of white light.
Make two diagrams to explain refraction and dispersion.
Describe how you could demonstrate that white light is composed of a number of colours.
Which is refracted most by a prism : red light or violet light? Explain why?
Which of the following colour of white light is least deviated by the prism?
(a) green
(b) violet
(c) indigo
(d) yellow
When a white light ray falls on a prism, the ray at its first surface suffers ______.
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.
Answer the following:
What do you mean by dispersion? Name the different colours of light in the proper sequence in the spectrum of light.
Observe the given figure and write appropriate phenomenon of light in the box.
Name the scientist who was the first to use a glass prism to obtain the spectrum of sunlight.
