Engineering Sciences
2023 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE XE 2023 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 58–60 of 175. Imported answers require review unless explicitly marked reviewed.
Question 58
Open questionXE-CMSQ2 marksNeeds review
Among the 14 Bravais lattices, there is no base centred cubic unit cell. Which of the following statement(s) is/are true?
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Open questionXE-CMSQ2 marksNeeds review
Specific heat (
) of a material was found to depend on temperature as shown below. Which of the following statement(s) is/are true? 
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Open questionXE-CNAT2 marksNeeds review
A pure Silicon wafer is doped with Boron by exposing it to B₂O₃ vapour at an elevated temperature. It takes 1000 seconds to reach a Boron concentration of
at a depth of 1
m. The time taken to reach the same concentration of Boron at a depth of 2
m is (in seconds): ________ (rounded off to nearest integer)Given: Boron concentration on the wafer surface remains constant.
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