Physics
2024 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE PH 2024 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 16–18 of 65. Imported answers require review unless explicitly marked reviewed.
Question 16
Open questionPHMCQ1 markNeeds review
Crystal structures of two metals A and B are two-dimensional square lattices with same lattice constant
. Electrons in metals behave as free electrons. The Fermi surfaces corresponding to A and B are shown by solid circles in figures.
The electron concentrations in A and B are
and
, respectively. The value of
isYour answerChoose one option.
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Open questionPHMCQ1 markNeeds review
Consider the induced nuclear fission reaction
where neutron momenta in both initial and final states are negligible. The ratio of the kinetic energies (KE) of the daughter nuclei,
is __________Your answerChoose one option.
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Open questionPHMCQ1 markNeeds review
The symbols C, D,
and
shown in the figure denote capacitor, ideal diode, input voltage and output voltage, respectively.
Which one of the following output waveforms (
) is correct for the given input waveform (
)?Your answerChoose one option.
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