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प्रश्न
A wave has wavelength 50Å of name the wave.
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उत्तर
The wavelength of the wave is 50 Å. Therefore, it is a X-ray.
संबंधित प्रश्न
A narrow beam PQ of white light is passing through a glass prism ABC as shown in the diagram.

Trace it on your answer sheet and show the path of the emergent beam as observed on the screen DE.
(i) Write the name and cause of the phenomenon observed.
(ii) Where else in nature is this phenomenon observed?
(iii) Based on this observation, state the conclusion which can be drawn about the constituents of white light.
State the cause of dispersion of white light
What is a rainbow?
The property of splitting of white light into its seven constituent colours is known as
Complete the ray diagram given below to show the nature of light produced on the screen.

Write the range of wavelength of the infrared spectrum.
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?
State the correct sequence (1-7) of colours in the spectrum formed by the prisms A and B, shown in the following figure.

Which one of the following is involved for the formation of rainbow in the sky?
Curved mirrors have surfaces that are spherical, cylindrical, parabolic, and ellipsoid.
