Does the cutoff wavelength `lamda_(min)` of the continous x- ray spectrum increse decrease or remain the same if you (a) increase the kinetic energy of the electrons that strike the x ray target (b ) allow the electrons to strike a thin foil rather than a thick block of the target material ,(c ) change the target to an element of higher atomic number ?
Text Solution
Verified by Experts
(a) decrease (b) and (c ) remains the same
Topper's Solved these Questions
ALL ABOUT ATOMS
RESNICK AND HALLIDAY|Exercise PRACTICE QUESTIONS (INTEGER TYPE)|2 Videos
CAPACITANCE
RESNICK AND HALLIDAY|Exercise PRACTICE QUESTION (INTEGER TYPE)|3 Videos
Similar Questions
Explore conceptually related problems
The kinetic energy of electrons that strike the target is increased , then the cut-off wavelength of continuous X-rays spectrum
The maximum kinetic energy of the electrons hitting a target so as to produce X-ray of wavelength 1 Å is
The X-ray coming from a Coolidge tube has a cutoff wavelength of 80 pm. Find the kinetic energy of the electrons hitting the target.
Find the cutoff wavelength for the continuous X-rays coming from an X-ray tube operating at 40 kV .
Find the cutoff wavelength for the continuous X-rays coming form an X-ray tube operating at 30 kV.
If there times of lambda_(min) of continuous X- ray spectrum of target metal at 40 kV is some as the wavelength of K_(alpha) line of this metal at 30 kV , then determine the atomic number of the target metal.
The characteristic of the electrons striking the target in an X-ray tube that, determines the intensity of X-rays is
An X-ray tube is operated at 15 kV. Calculate the upper limit of the speed of the electrons striking the target.
Knowledge Check
The minimum wavelength lambda_min in the continuous spectrum of X-rays is
A
Proportional to the potential difference V between the cathode and anode.
B
Inversely proportional to potential differece V between the cathode and anode
C
Proportional to the square root of the potential difference V between the cathode and the anode.
D
Inversely proportional to the square root of the potential difference V between the cathode and the anode.
The kinetic energy of electrons that strike the target is increased , then the cut-off wavelength of continuous X-rays spectrum
A
increases
B
decreases
C
no change
D
cannot be said
The characteristic of the electrons striking the target in an X-ray tube that, determines the intensity of X-rays is
