CSIR Physical Sciences: Questions 288 - 289 of 401

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 401 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 300.00 or

Question number: 288

» Electronics and Experimental Methods » Filtering and Noise Reduction

Appeared in Year: 2012

MCQ▾

Question

Band – pass and band – reject filters can be implemented by combining a low pass and a high pass filter in series and in parallel, respectively. If the cut – off frequencies of the low pass and high pass filter are Equation and Equation , respectively, the condition required to implement the band pass and band reject filter are, respectively – (December)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 289

» Thermodynamic and Statistical Physics » Ising Model

Appeared in Year: 2012

MCQ▾

Question

Consider a one – dimensional Ising model with N spins, at very low temperature when almost all the spins are aligned parallel to each other. There will be a few spin flips with each flip costing an energy Equation . In a configuration with Equation spin flips, the energy of the system is Equation and the number of configuration is Equation ; Equation varies from 0 to N. The partition function is – (December)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

f Page
Sign In