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Atomic Spectra

Maximum frequency in the spectrum from X-ray tube is directly proportional to the______________?

Atomic Spectra, Physics Mcqs /
Maximum frequency in the spectrum from X-ray tube is directly proportional to the______________?

A. Number of incident electron i.e. filament current
B. The kinetic energy of the incident electron i.e. the potential difference through which they are accelerated
C. The soft target which can easily emit electrons
D. All of above are correct

Maximum frequency in the spectrum from X-ray tube is directly proportional to the______________? Read More »

Atomic Spectra, Physics Mcqs

The minimum wavelength of X-rays produced by the bombardment of electrons on the screen of a television set where the accelerating potential is 2.0K V will be______________?

Atomic Spectra, Physics Mcqs /
The minimum wavelength of X-rays produced by the bombardment of electrons on the screen of a television set where the accelerating potential is 2.0K V will be______________?

A. 6.2 x 10-10m
B. 9.1 x 10-18m
C. 3.11 x 10-10m
D. 4 x 10-10m

The minimum wavelength of X-rays produced by the bombardment of electrons on the screen of a television set where the accelerating potential is 2.0K V will be______________? Read More »

Atomic Spectra, Physics Mcqs

The minimum wavelength of X-rays can further be reduced by _______________?

Atomic Spectra, Physics Mcqs /
The minimum wavelength of X-rays can further be reduced by _______________?

A. Reducing the pressure or cooling the target
B. Increasing the temperature of the filament.
C. Using a target element of higher atomic number
D. Increasing the potential difference between the cathode and the target

The minimum wavelength of X-rays can further be reduced by _______________? Read More »

Atomic Spectra, Physics Mcqs

In an X-ray tube electrons each of charge e are accelerated through V potential difference allowed to hit a metal target. The wavelength of the X-rays emitted is_______________?

Atomic Spectra, Physics Mcqs /
In an X-ray tube electrons each of charge e are accelerated through V potential difference allowed to hit a metal target. The wavelength of the X-rays emitted is_______________?

A. he/ev
B. he/Vc
C. eV/h
D. impossible to predict

In an X-ray tube electrons each of charge e are accelerated through V potential difference allowed to hit a metal target. The wavelength of the X-rays emitted is_______________? Read More »

Atomic Spectra, Physics Mcqs