CSIR (Council of Scientific & Industrial Research) Physical Sciences: Questions 202 - 204 of 463

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Question number: 202

» Quantum Mechanics » Relativistic Quantum Mechanics » Dirac Equations

Appeared in Year: 2014

MCQ▾

Question

The ground state energy of the attractive delta function potential Equation ; whereEquation , is calculated with the variational trial function Equation is (December)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 203

» Quantum Mechanics » Motion in Central Potential » Angular Momentum Algebra

Appeared in Year: 2011

MCQ▾

Question

Consider a particle in a one dimensional potential that satisfiesEquation . Let Equation and Equation denote the ground and the first excited states, respectively, and let Equation be a normalized state with Equation and Equation being real constants. The expectation value Equation of the position operator Equation in the state Equation is given by, - (December)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 204

» Electronics and Experimental Methods » Microprocessor and Microcontroller Basics

Appeared in Year: 2011

MCQ▾

Question

The pins 0, 1, 2 and 3 of part A of a microcontroller are connected with resistors to drive an LED at various intensities as shown in the figure.

 Four pins connected with resistor

Four Pins Connected With Resistor

In figure pins 0, 1, 2, 3 of part A of a microcontroller are connected with resistors to drive an LED at various intensities.

For Equation and a voltage drop of Equation across the LED, the range (maximum current) and resolution (Step size) of the drive current are, respectively, - (December)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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