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(i)Cathode waves always travel in straight path.
(ii) Cathode rays exert mechanical force on the objects they strike.
(iii) Cathode rays make fluorescence.
(iv) When cathode rays strike a solid body, specially a metal of higher atomic weight and high melting point X-rays are emitted from the objects.
(v) Cathode rays ionize the gases by which they are passed.
(vi) Cathode rays can penetrate by thin foils of metal.
(vii) Cathode rays are establish to have velocity ranging1/30 th to 1/10 th of velocity of light.
The frequency of a wave is 50 Hertz and its wavelength is 25 meters. What is the velocity of this wave? Ans: The velocity of given wave is 1250 meters/second.
michelson interferometer principle
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When the wavelength of wave remains unchanged, the scattering is known as elastic.
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