Questions 21–30 of 46. Imported answers require independent review unless marked reviewed.

Topic practice 46 questionsPage 3 of 5

Question 43

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PHMSQ2 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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Question 50

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PHNAT2 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 _____.
Diagram for Physics question 50


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Question 1

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PHMCQ1 markNeeds review
Which one of the following is a solution of

, for

real?
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Question 2

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PHMCQ1 markNeeds review
A real, invertible

matrix

has eigenvalues

,

and the corresponding eigenvectors are

,

respectively. Which one of the following is correct?
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Question 22

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PHNAT1 markNeeds review
For a complex variable

and the contour

taken in the counter clockwise direction,

_____.

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Question 26

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PHMCQ2 marksNeeds review
The product of eigenvalues of

is
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Question 27

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PHMCQ2 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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Question 43

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PHNAT2 marksNeeds review
Let

denote the 4-velocity of a relativistic particle whose square

. If

is the Levi-Civita tensor then the value of

is _____.

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Question 48

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If

, for

, the value of

is _____.

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Question 49

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PHNAT2 marksNeeds review
Let

The value of

is _____.

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