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PhysicsModern PhysicsX-raysEasy2 minQB

PhysicsEasysingle choice

If a potential difference of 20 kV is applied across an X-ray tube, the cut-off wavelength will be :

Answer:

Solution:

$λ_{min} = \frac{12400}{V ( volt )} \overset{˚}{A} = \frac{12400}{20000} = 0.62 \overset{˚}{A} \approx 0.621 \overset{˚}{A}$ .

Subject:PhysicsTopic:Modern PhysicsSubtopic:X-rays

⏱ 2mℹ️ Source: QB

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