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If the current in the circuit for heatin...

If the current in the circuit for heating the filament is increased, the cutoff wavelength

A

will increase

B

will decrease

C

will remain unchanged

D

may increase of decrease

Text Solution

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The correct Answer is:
C
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DC PANDEY ENGLISH-ATOMS-Taking it together
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  2. In an X - rays tube , the intensity of the emitted X - rays beam is in...

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  3. If the current in the circuit for heating the filament is increased, t...

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  4. X-rays are produced by jumping of:

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  5. The difference in angular momentum associated with electron in two suc...

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  6. Choose the incorrect statement regarding the Bohr model of the hydroge...

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  7. Which of the following parameters are the same for all hydrogen like a...

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  8. The second line in Paschen series is obtained when the electron makes ...

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  9. An electron moves in a circular orbit at a distance from a proton with...

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  10. Molybdenum is used as a target element for production of X - rays beca...

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  11. An X-ray has a wavelength of 0.010 Å. Its momentum is

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  12. X-rays of lamda = 1Å have frequency

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  13. The simple Bohr model cannot be directly applied to calculate the ener...

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  14. The velocity of an electron in the first orbit of H atom is v. The vel...

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  15. A X-ray tube operates at an accelerating potntial of 20 kV. Which of t...

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  16. A metal block is exposed to beams of X-rays of different wavelength. X...

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  17. O2 molecule consists of two oxygen atoms. In the molecule, nuclear for...

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  18. The patient is asked to drink BaSO(4) for examining the stomach by X-r...

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  19. The orbital angular momentum of electron in the n(1)th shell of elemen...

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  20. For production of characteristic K(beta) X - rays , the electron trans...

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