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NDA · Physics
PN09 — X-Rays — Quiz
NDA
20 Questions
No Negative Marking
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Question 1
X-rays are produced when high-energy electrons strike a metal target. The minimum wavelength of X-rays produced (Duane-Hunt limit) is:
A
λ_min = hc/eV
B
λ_min = eV/hc
C
λ_min = h/eV
D
λ_min = eV/c
Question 2
The two types of X-ray spectra are:
A
Visible light and ultraviolet spectra only
B
Continuous and characteristic X-ray spectra
C
Absorption and emission spectra in the UV range
D
Only soft and hard X-ray spectral divisions
Question 3
Moseley's Law relates the frequency of characteristic X-ray emission to the atomic number Z as:
A
ν = a(Z - b)
B
√ν = a(Z - b)
C
ν = aZ²
D
ν = a/Z
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