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12th ICSE
IMPORTANT
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18 kV accelerating voltage is applied across an X-ray tube. Calculate the minimum wavelength in the continuous spectrum of X-rays produced.

Important Questions on X-Rays

MEDIUM
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 12 - X-Rays>QUESTIONS>Q 3
An X-ray tube is operating at an anode voltage of 20 kV. Calculate the minimum wavelength of X-rays produced. Express your answer in picometre.h=6.63×10-34 Js
MEDIUM
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 12 - X-Rays>QUESTIONS>Q 4
Calculate the minimum wavelength of X-rays emitted by an X-ray tube operating at a potential of 40 kV. 
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12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 12 - X-Rays>QUESTIONS>Q 5
An X-ray tube is operating as 100 kV. Calculate the minimum wavelength of X-rays and maximum velocity of electrons striking the anti-cathode.
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12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 12 - X-Rays>QUESTIONS>Q 6
Find the minimum wavelength of the emitted X-rays when an X-ray tube is operating at 50 kV.
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12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 12 - X-Rays>QUESTIONS>Q 7
How much potential difference be applied across an X-ray tube so that the minimum wavelength of the emitted X-rays be .4125 Ao?
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12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 12 - X-Rays>QUESTIONS>Q 8
Find the maximum frequency of X-rays emitted from an X-ray tube operated at 10 kV. What will be the energy of the maximum-frequency X-ray photon?
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12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 12 - X-Rays>QUESTIONS>Q 9
What element has a Kα, X-ray line of wavelength 1.785 Ao? R=109737 cm-1
MEDIUM
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 12 - X-Rays>For DIFFERENT COMPETITIVE EXAMINATIONS>Q 1
Electrons with de-Broglie wavelength λ fall on the target in an X-ray tube. The cut-off wavelength of the emitted X-ray is: