GATE Physics: Questions 257 - 259 of 622

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 622 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 350.00 or

Question number: 257

» Thermodynamics and Statistical Physics » Laws of Thermodynamics

Appeared in Year: 2011

MCQ▾

Question

A Carnot cycle operates on a working substance between two reservoirs at temperatures Equation and Equation with Equation . During each cycle an amount of heat Equation is extracted from the reservoir at Equation and an amount Equation is delivered to the reservoir at Equation . What of the following statements is incorrect?

Choices

Choice (4) Response

a.

Entropy of the hotter reservoir decreases

b.

Work done in 1 cycle is Equation

c.

Equation

d.

Entropy of the universe (consisting of the working substance and the two reservoirs) increases

Question number: 258

» Thermodynamics and Statistical Physics » Classical and Aquantum Statistics

Appeared in Year: 2011

MCQ▾

Question

If the isothermal compressibility of a solid is Equation , the pressure required to increase its density by Equation is approximately

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 259

» Mathematical Physics » Fourier Analysis

Appeared in Year: 2013

MCQ▾

Question

Equation is a symmetric periodic function of Equation i. e. Equation . Then, in general, the Fourier series of the function Equation will be of the form,

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

f Page
Sign In