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प्रश्न
Identify the part of the electromagnetic spectrum which is:
produced by bombarding a metal target by high speed electrons.
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उत्तर
X-rays are produced by bombarding a metal target by high speed electrons.
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संबंधित प्रश्न
Name the subjective property of light related to its wavelength.
Arrange the following radiations in the order of their increasing wavelength:
X-rays, infrared rays, ratio waves, gamma ray and microwaves.
Name three properties of ultraviolet radiations which are similar to visible light.
One of the following wavelengths is absent and the rest are present in the X-rays coming from a Coolidge tube. Which one is the absent wavelength?
The energy of a silver atom with a vacancy in K shell is 25.31 keV, in L shell is 3.56 keV and in M shell is 0.530 keV higher than the energy of the atom with no vacancy. Find the frequency of Kα, Kβ and Lα X-rays of silver.
(Use Planck constant h = 6.63 × 10-34 Js= 4.14 × 10-15 eVs, speed of light c = 3 × 108 m/s.)
Choose the correct option.
Earth’s atmosphere is richest in
What are the ultraviolet rays?
Answer briefly.
What are radio waves?
Which of the following is a tool used for separating the different color wavelengths from each other?
Light of wavelength `3500A` is incident on two metals A and B whose work functions are 3.2 eV and 1.9 eV respectively. Which metal will emit photoelectrons?
