GATE (Graduate Aptitude Test in Engineering) Physics: Questions 576 - 580 of 659

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Question 576

Appeared in Year: 2006

Question

MCQ▾

The low – pass active filer shown in the figure has a cut – off frequency of and a pass band gain of . The values of the resistors are –

Circuit Diagram of Op – Amp

Choices

Choice (4)Response

a.

b.

c.

d.

Question 577

Appeared in Year: 2006

Question

MCQ▾

The mean internal energy of a one – dimensional classical harmonic oscillator in equilibrium with a heat bath of temperature is –

Choices

Choice (4)Response

a.

b.

c.

d.

Question 578

Appeared in Year: 2006

Question

MCQ▾

If the number density of a free electron gas changes from to , the value of plasma frequency (in ) changes from to –

Choices

Choice (4)Response

a.

b.

c.

d.

Question 579

Appeared in Year: 2006

Question

MCQ▾

A sinusoidal input voltage of frequency is fed to the circuit shown in the figure, where . If is the peak value of the input voltage, then output voltage is –

Circuit Consists of Two Diodes

Choices

Choice (4)Response

a.

b.

c.

d.

Question 580

Appeared in Year: 2006

Question

MCQ▾

A particle of mass is represented by the wavefunction , where is the wavevector and is a constant. The magnitude of the probability current density of the particle is –

Choices

Choice (4)Response

a.

b.

c.

d.

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