Physics
GATE PH topic:mathematical-physics PYQs
Build your understanding with focused practice from past exam papers.
Questions 21–30 of 46. Imported answers require independent review unless marked reviewed.
Question 43
Open questionPHMSQ2 marksNeeds review
and
are two Hermitian matrices and there exists a matrix
, which diagonalizes both of them, such that
and
, where
and
are diagonal matrices. The correct statement(s) is(are)Your answerSelect all correct options. You can choose more than one.
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Open questionPHNAT2 marksNeeds review
A contour integral is defined as
where
is a positive integer and
is the closed contour, as shown in the figure, consisting of the line from −100 to 100 and the semicircle traversed in the counter-clockwise sense.The value of
(in integer) is _____. 
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Open questionPHMCQ1 markNeeds review
Which one of the following is a solution of
, for
real?Your answerChoose one option.
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Open questionPHMCQ1 markNeeds review
A real, invertible
matrix
has eigenvalues
,
and the corresponding eigenvectors are
,
respectively. Which one of the following is correct?Your answerChoose one option.
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Open questionPHNAT1 markNeeds review
For a complex variable
and the contour
taken in the counter clockwise direction,
_____.Log in to check the answer
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Open questionPHMCQ2 marksNeeds review
The product of eigenvalues of
isYour answerChoose one option.
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Open questionPHMCQ2 marksNeeds review
Let
,
and
. Let
. Let
denote the three-dimensional real vector space. Which one of the following is correct?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 43
Open questionPHNAT2 marksNeeds review
Let
denote the 4-velocity of a relativistic particle whose square
. If
is the Levi-Civita tensor then the value of
is _____.Log in to check the answer
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Open questionPHNAT2 marksNeeds review
If
, for
, the value of
is _____.Log in to check the answer
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Open questionPHNAT2 marksNeeds review
Let
The value of
is _____.Log in to check the answer
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