Physics - Modern Physics Question with Solution | TestHub
PhysicsModern PhysicsX-raysEasy2 minQB
PhysicsEasysingle choice
Statement-1: Cut off wavelength of X-ray coming from a Coolidge tube depends on the target material.
Statement-2: The characteristic X-rays are produced when fast moving electrons remove one of the electrons in the inner shells of the target atoms.
Options:
Answer:
D
Solution:
, set only by , not by the target, so Statement-1 is false. Characteristic X-rays are emitted when a fast electron knocks out an inner-shell electron and an outer electron fills the vacancy, so Statement-2 is true.
Subject:PhysicsTopic:Modern PhysicsSubtopic:X-rays
⏱ 2mℹ️ Source: QB
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