Metallurgical Engineering
GATE MT X-ray Diffraction PYQs
Build your understanding with focused practice from past exam papers.
How to practice X-ray Diffraction
Attempt a question, record the concept and assumptions, then check the available answer. Rework mistakes after revising the relevant concepts. Topic tags can overlap; review the question context.
Questions 1–5 of 5. Imported answers require independent review unless marked reviewed.
Question 15
Open questionMTMCQ1 markNeeds review
During metallography, Nital is the most commonly used for etch ____________.
Your answerChoose one option.
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 26
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Residual stress present in a material can be determined by which one of the following techniques:
Your answerChoose one option.
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 49
Open questionMTNAT2 marksNeeds review
A metal having body-centered cubic structure is analyzed through X-ray diffraction using monochromatic X-ray of wavelength 0.154 nm. The diffraction angle (2θ) corresponding to {2 0 0} plane is 60° (for first order reflection).
The atomic radius of this element (rounded off to three decimal places) is ________________ nm.
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 17
Open questionMTMCQ1 markNeeds review
In optical microscopy, which one of the following combinations of wavelength (
) and numerical aperture (NA) provides the best spatial resolution?Your answerChoose one option.
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 49
Open questionMTNAT2 marksNeeds review
X-ray diffraction using a monochromatic radiation of wavelength 0.154 nm is performed on powder samples of metal A (with FCC crystal structure) and metal B (with BCC crystal structure).
If the first peak in both the cases occurs at a Bragg angle
, then the value of
= _____ (rounded off to two decimal places).Log in to check the answer
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