CSIR Physical Sciences: Questions 309 - 311 of 389

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 389 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 250.00 or

Question number: 309

» Atomic & Molecular Physics » Rate Equation

Appeared in Year: 2012

MCQ▾

Question

Consider a He – Ne laser cavity consisting of two mirrors of reflectivity R1=1 and R2=0.98 . The mirrors are separated by a distance d=20cm and the medium in between has a refractive index n0=1 and absorption coefficient α=0 . The values of the separation between the modes δv and the width Δvp of each mode of the laser cavity are – (December)

Choices

Choice (4) Response

a.

δv=75kHz,Δvp=24kHz

b.

δv=750MHz,Δvp=2.4MHz

c.

δv=100kHz,Δvp=100kHz

d.

δv=2.4MHz,Δvp=750MHz

Question number: 310

» Mathematical Methods of Physics » Matrices

Appeared in Year: 2012

MCQ▾

Question

The eigenvalues of anti-symmetric matrix, A=(0n3n2n30n1n2n10) where, n1,n2andn3 are the components of a unit vector, are – (June)

Choices

Choice (4) Response

a.

0,i,i

b.

0, 1,1

c.

0, 1,+i,1,i

d.

0, 0,0

Question number: 311

» Electronics and Experimental Methods » Digital Techniques and Applications » Registers

Appeared in Year: 2012

MCQ▾

Question

The output (O) of the given circuit in cases (I) and (II) , where;

Case I: A,B=1;C,D=0;E,F=1andG=0

Case II: A,B=0;C,D=0;E,F=0andG=1

are respectively,

A logical circuit with five gates

A Logical Circuit With Five Gates

In figure a logical circuit of five gates is shown.

(June)

Choices

Choice (4) Response

a.

0, 0

b.

1, 1

c.

0, 1

d.

1, 0

Sign In