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Moseley'S Law for Characteristic X-ray is √V = A(Z − B). Here,

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प्रश्न

Moseley's Law for characteristic X-ray is √v = a(Z − b). Here,

पर्याय

  • both a and b are independent of the material

  • a is independent but b depends on the material

  • b is independent but a depends on the material

  • both a and b depend on the material

MCQ
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उत्तर

both a and b are independent of the material

Moseley's Law for characteristic X-ray is √v = a(Z − b), where, a and b are constants independent of the material used.

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पाठ 44: X-rays - MCQ [पृष्ठ ३९४]

APPEARS IN

एचसी वर्मा Concepts of Physics Volume 1 and 2 [English]
पाठ 44 X-rays
MCQ | Q 6 | पृष्ठ ३९४

संबंधित प्रश्‍न

Name the parts of the electromagnetic spectrum which is

used as a diagnostic tool in medicine.

Write in brief, how these waves can be produced.


To which part of electromagnetic spectrum does a wave of frequency 3 × 1013 Hz belong?


Use the formula λm T= 0.29 cm K to obtain the characteristic temperature ranges for different parts of the electromagnetic spectrum. What do the numbers that you obtain tell you?


What is the range of the wavelength of the following electromagnetic waves?
(a) Gamma rays.


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Is it possible that in a Coolidge tube characteristic Lα X-rays are emitted but not Kα X-rays?


The energy of a photon of a characteristic X-ray from a Coolidge tube comes from


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(a) exerts a force on it
(b) transfers energy to it
(c) transfers momentum to it
(d) transfers impulse to it.


Heat at the rate of 200 W is produced in an X-ray tube operating at 20 kV. Find the current in the circuit. Assume that only a small fraction of the kinetic energy of electrons is converted into X-rays.


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Radar and Give the frequency range.


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State two properties of infrared radiations which differ from visible light.


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Electromagnetic waves with wavelength

  1. λ1 is used in satellite communication.
  2. λ2 is used to kill germs in water purifies.
  3. λ3 is used to detect leakage of oil in underground pipelines.
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  3. Write one more application of each.

How does the frequency of infrared radiation compare with that of microwaves?


Which properties characterize X-rays?


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