GATE (Graduate Aptitude Test in Engineering) Physics: Questions 346 - 351 of 659

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Question 346

Appeared in Year: 2009

Question

MCQ▾

The Common Mode Rejection Ratio (CMRR) of a differential amplifier using an operation amplifier is . The output voltage for a differential input of in . The common mode gain is –

Choices

Choice (4)Response

a.

0.1

b.

10

c.

d.

Question 347

Appeared in Year: 2009

Question

MCQ▾

Which one of the functions given below represents the bound state eigen function of the operator in the region, , with the eigenvalue ?

Choices

Choice (4)Response

a.

b.

c.

d.

Question 348

Appeared in Year: 2009

Question

MCQ▾

The de Broglie wavelength of particles of mass with average momentum at a temperature in three dimensions is given by –

Choices

Choice (4)Response

a.

b.

c.

d.

Question 349

Appeared in Year: 2009

Question

MCQ▾

Assuming the mean life time of a muon (in its rest frame) to be , its life time in the laboratory frame, when it is moving with a velocity is –

Choices

Choice (4)Response

a.

b.

c.

d.

Question 350

Appeared in Year: 2009

Question

MCQ▾

In the quark model which one of the following represents a proton?

Choices

Choice (4)Response

a.

b.

c.

d.

Question 351

Appeared in Year: 2009

Question

MCQ▾

If and are the position and momentum variables, which one of the following is NOT a canonical transformation?

Choices

Choice (4)Response

a.

and for real and

b.

and

c.

and , for

d.

and

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