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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

Will change

Text Solution

Verified by Experts

The correct Answer is:
C
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RESNICK AND HALLIDAY-ALL ABOUT ATOMS -PRACTICE QUESTIONS (SINGLE CORRECT CHOICE TYPE)
  1. The mimmum wevelength of X-ray that can be produced in a Coolisge tube...

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  2. If the potential difference applied to tube is doubled and the separat...

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

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  4. If a potential difference of 20,000 volts is applied across X-ray tube...

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  5. The potential difference applied to an X-ray tube is 5k V and the curr...

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  6. In an x-ray tube, the target should be made up of material having

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  7. X ray can be made harder by

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  8. Which of the following wavelength falls in X - ray region

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  9. The energy of a photon of characteristic X-ray from a Coolidge tube co...

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  10. The following figure shows the intensity-wavelength relations of x-ray...

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  11. In a characteristic x-ray spectra (as shown in the following figure), ...

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  12. The K(alpha) X-ray emission line of tungsten occurs at lambda = 0.021 ...

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  13. Mosley's law for characteristic x rays is given by sqrt(f)=a(Z-b) Ch...

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  14. The wavelength of the K(alpha) line for an element of atomic number 57...

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  15. If the frequency of K(alpha), K(beta) and L(alpha) , X-ray lines of a...

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  16. The K, L, and M energy levels of platinum lie roughly at 78, 12, and 3...

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  17. The potential difference applied to an X-ray tube is V The ratio of th...

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  18. The energy of a tungsten atom with a vacancy in L small is 11.3 KaV. W...

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  19. Photons in a laser beam have the same energy, wavelength, polarization...

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  20. Photons in a laser beam are produced by

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