GATE (Graduate Aptitude Test in Engineering) Physics: Questions 649 - 652 of 659

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Question 649

Appeared in Year: 2017

Question

MCQ▾

The wavefunction of which orbital is spherically symmetric:

Choices

Choice (4)Response

a.

b.

c.

d.

Question 650

Appeared in Year: 2017

Describe in Detail

Essay▾

The imaginary part of an analytic complex function is . The real part of the function is zero at the origin. The value of the real part of the function at is ________. (up to two decimal places) .

Explanation

Let the analytic complex function is,

Where, is real part of and is imaginary part of .

Since,

Here, function is analytic, therefore It satisfies Cauchy – Riemann equations.

From equation (3) ,

Where, is an arbitrary function of , which can be determined from equation (4) ,

From equation (5) and equation (6) ,

From question, the real part of the fun…

… (27 more words) …

Question 651

Appeared in Year: 2017

Question

MCQ▾

In the figure given below, the input to the primary of the transformer is a voltage varying sinusoidally with time. The resistor is connected to the centre tap of the secondary. Which one of the following plots represents the voltage across the resistor as a function of time?

Circuit Diagram of Diodes, Capacitor and Resistor

Choices

Choice (4)Response

a.

Voltage as a Function of Time: Choice – A

b.

Voltage as a Function of Time: Choice – B

c.

Voltage as a Function of Time: Choice – C

d.

Voltage as a Function of Time: Choice – D

Question 652

Appeared in Year: 2017

Question

MCQ▾

Which one of the following conservation laws is violated in the decay ?

Choices

Choice (4)Response

a.

Angular momentum

b.

Total Lepton number

c.

Tau number

d.

Electric charge

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