First slide

X-rays

Question

The wavelength of X-rays decreases, when

Easy

A

Temperature of target is increased
B

Intensity ofelectron beam is increased
C

K.E. of electrons striking the target is increased
D

K.E. of electrons striking the target is decreased

Solution

$λ_{\min} = \frac{hc}{eV (energy)}; when KE (or eV) increases, λ decreases .$

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