GATE PH discipline:physics PYQs & Answers — Page 28

Home
GATE
Physics
Topics
discipline:physics

Questions 271–280 of 650. Imported answers require independent review unless marked reviewed.

Topic practice 650 questionsPage 28 of 65

For the Op-Amp circuit shown below, choose the correct output waveform corresponding to the input

(in Volts). The saturation voltage for the circuit is

Your answerChoose one option.

Diagram for Physics question 11 (figure 2)

Diagram for Physics question 11 (figure 3)

Diagram for Physics question 11 (figure 4)

Diagram for Physics question 11 (figure 5)

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

Match the order of

-decays given in the left column to appropriate clause in the right column. Here

and

are nuclei with intrinsic spin

and parity

. 1.

; 2.

; 3.

; 4.

. i) First forbidden

-decay; ii) Second forbidden

-decay; iii) Third forbidden

-decay; iv) Allowed

-decay.

Your answerChoose one option.

1 – i, 2 – ii, 3 – iii, 4 – iv

1 – iv, 2 – i, 3 – ii, 4 – iii

1 – i, 2 – iii, 3 – i, 4 – iv

1 – iv, 2 – ii, 3 – iii, 4 – i

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

What is the maximum number of free independent real parameters specifying an

-dimensional orthogonal matrix?

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

An excited state of Ca atom is [Mg]

. The spectroscopic terms corresponding to the total orbital angular momentum are

Your answerChoose one option.

S, P, and D

P, D, and F

P and D

S and P

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

On the surface of a spherical shell enclosing a charge free region, the electrostatic potential values are as follows: One quarter of the area has potential

, another quarter has potential

and the rest has potential

. The potential at the centre of the shell is

(You can use a property of the solution of Laplace’s equation.)

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

A point charge

is performing simple harmonic oscillations of amplitude

at angular frequency

. Using Larmor’s formula, the power radiated by the charge is proportional to

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

Which of the following relationship between the internal energy

and the Helmholtz free energy

is true?

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

If nucleons in a nucleus are considered to be confined in a three-dimensional cubic box, then the first four magic numbers are

Your answerChoose one option.

2, 8, 20, 28

2, 8, 16, 24

2, 8, 14, 20

2, 10, 16, 28

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

Consider the ordinary differential equation

and its solution

. Then

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

For an Op-Amp based negative feedback, non-inverting amplifier, which of the following statements are true?

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

Closed loop gain < Open loop gain

Closed loop bandwidth < Open loop bandwidth

Closed loop input impedance > Open loop input impedance

Closed loop output impedance < Open loop output impedance

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

GATE PH discipline:physics PYQs

Question 11

Question 12

Question 13

Question 14

Question 15

Question 16

Question 17

Question 18

Question 19

Question 20