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प्रश्न
Name the scientist who discovered
X-rays
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उत्तर
Roentgen
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संबंधित प्रश्न
What is the range of the wavelength of the following electromagnetic waves?
(a) Gamma rays.
State the approximate range of wavelength associated with the ultraviolet rays.
Name two electromagnetic waves of frequency smaller than that of violet light. State one use of each.
State the name and the range of wavelength of the invisible electromagnetic waves beyond the red end of the visible spectrum.
Calculate the shortest wavelength of electromagnetic radiation present in Balmer series of hydrogen spectrum.
How will you investigate the existence of the radiation beyond the red and violet extremes of the spectrum?
Choose the correct option.
Earth’s atmosphere is richest in
What are the ultraviolet rays?
Name the e.m. waves which are suitable for radar systems used in aircraft navigation. Write the range of frequency of these waves.
