Physics
2026 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE PH 2026 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 37–39 of 65. Imported answers require review unless explicitly marked reviewed.
Question 37
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Consider the Pauli matrices
,
,
. The value of
isYour answerChoose one option.
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Which one of the following statements is true?
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 39
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The Hamiltonian for a quantum particle of mass
is given below, where
. The Schrödinger equation for this system can be solved exactly using the orthogonal transformations:
and
.
The ground state energy of this system is
Your answerChoose one option.
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