GATE PH purpose:exam-prep PYQs & Answers — Page 5

Home
GATE
Physics
Topics
purpose:exam-prep

Questions 41–50 of 650. Imported answers require independent review unless marked reviewed.

Topic practice 650 questionsPage 5 of 65

The energy

and degeneracy

of the second excited state of a three-dimensional, isotropic quantum harmonic oscillator with angular frequency

are

Your answerChoose one option.

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Two identical particles with a fixed total energy

are in thermal equilibrium in a one-dimensional harmonic oscillator potential

. Let the entropy of the particles be denoted by

if they are fermions with spin

and

if they are bosons with spin 0. Then, which of the following options is correct? (

is the Boltzmann constant)

Your answerChoose one option.

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

In the circuit shown,

Volts, where

is in seconds, which of the following options is correct? (take the op amp to be ideal)

Your answerChoose one option.

is square wave with peak-to-peak voltage = 30 V and time period is 1 ms.

is a sine wave with peak-to-peak voltage = 4 V and time period is 1 ms.

is sine wave with peak-to-peak voltage = 30 V and time period is 1 ms.

is square wave with peak-to-peak voltage = 4 V and time period is 1 ms.

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Considering the circuit and the associated signals measured at different pins (numbered as 1, 2, 3, 4, 5) shown in the figure, the correct option is

Your answerChoose one option.

NOT gate between pins 1 and 2 is faulty.

NOR gate is faulty.

NOT gate between pins 4 and 5 is faulty.

The NOR and output NOT gates, are both faulty.

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

A gas of

classical particles that can occupy energy levels

and

is in equilibrium with a reservoir at temperature

. From the schematics shown below, choose the correct dependence of the internal energy

Your answerChoose one option.

Diagram for Physics question 45 (figure 2)

Diagram for Physics question 45 (figure 3)

Diagram for Physics question 45 (figure 4)

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

The Lagrangian

with the generalized coordinate

is transformed to

. Consider the following statements: (i) Expression for the canonical momentum does not change. (ii) The equation of the motion does not change. Which of the following options is correct for the above statements?

Your answerChoose one option.

Both (i) and (ii) are correct.

Both (i) and (ii) are not correct.

(i) is correct and (ii) is not correct.

(i) is not correct and (ii) is correct.

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

An infinitely large thin sheet in the

-plane carries uniform positive charge density and is moving with constant velocity

in the

direction (see figure below). The direction of the corresponding Poynting vector is

Your answerChoose one option.

for both

and

for

and

for

and

for

for both

and

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

A positive point charge is fixed at the origin. At some distance from it on the

axis, a point dipole is kept pointing in the

direction. The force on the dipole is

Your answerChoose one option.

in the

direction

in the

direction

in the

direction

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Two frames

(solid lines) and

(dashed lines) with common origin are shown in the figure below. Frame

is inertial while

is rotating about the common

-axis. There is a point mass fixed at

on the

-axis of the

frame. The magnitude of the centrifugal force and the Coriolis force experienced by the mass in the

frame is

and

, respectively. Which of the following options is correct for these forces?

Your answerChoose one option.

and

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Which of the following operators is/are self-adjoint?

Your answerSelect all correct options. You can choose more than one.

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

GATE PH purpose:exam-prep PYQs

Question 41

Question 42

Question 43

Question 44

Question 45

Question 46

Question 47

Question 48

Question 49

Question 50