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प्रश्न
A wave has wavelength 50Å of name the wave.
उत्तर
The wavelength of the wave is 50 Å. Therefore, it is a X-ray.
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संबंधित प्रश्न
A student is observing a diagram showing the path of a ray of light passing through a glass prism. He would find that for all angles of incidence the ray of light bends:
Define the term dispersion of white light.
As light rays emerge from a glass prism into air, are they refracted towards or away from the normal?
Why do you not see a spectrum of colours when light passes through a flat pane of glass?
Out of air and glass, which is optically rarer? Give reason.
Draw a labeled ray diagram to illustrate the dispersion of a narrow beam of white light when it passes through a glass prism.
Complete the ray diagram given below to show the nature of light produced on the screen.
The completed ray diagram is as shown below:
Write three conditions necessary to obtain a pure spectrum on a screen. Name the instrument in which the conditions stated by you are fulfilled.
What do you understand by spectrum? Name the seven prominent colours in order, as obtained in the spectrum of white light.
Observe the given figure and write appropriate phenomenon of light in the box.
