GATE (Graduate Aptitude Test in Engineering) Physics (PE): Questions 278 - 282 of 1823
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Question 278
Appeared in Year: 2012
Question MCQ▾
The eigenvalues of anti-symmetric matrix, where, are the components of a unit vector, are – (June)
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 279
Appeared in Year: 2012
Question MCQ▾
The output (O) of the given circuit in cases and , where;
Case I:
Case II:
are respectively,
(June)
Choices
Choice (4) | Response | |
---|---|---|
a. | 0,1 | |
b. | 1,0 | |
c. | 1,1 | |
d. | 0,0 |
Question 280
Appeared in Year: 2012
Question MCQ▾
Charges Q, Q and -2Q are placed on the vertices of an equilateral triangle ABC of sides of length , as shown in the figure
The dipole moment of this configuration of charges, irrespective of the choice of origin, is – (June)
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. | 0 |
Question 281
Appeared in Year: 2012
Question MCQ▾
The energy in the ground state and first excited state of a particle of mass in a potential are and , respectively, (in units in which ) . If the corresponding wave functions are related by , then the ground state eigen function is – (December)
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 282
Appeared in Year: 2012
Question MCQ▾
Consider an infinite conducting sheet in the XY – plane with a time dependent current density , where K is constant. The vector potential at is given by . The magnetic field is –
(December)
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |