GATE (Graduate Aptitude Test in Engineering) Physics: Questions 26 - 30 of 659

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Question number: 26

» Electronics » Counters

Appeared in Year: 2014

Short Answer Question▾

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The minimum number of flip – flops required to construct a mod – 75 counter is ________.

Question number: 27

» Thermodynamics and Statistical Physics » Degenerate Fermi Gas

Appeared in Year: 2015

MCQ▾

Question

The entropy of a gas containing N particles enclosed in a volume V is given by,

Where, E is the total energy, is a constant and is the Boltzmann constant. The chemical potential of the system at a temperature T is given by,

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Choice (4) Response

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c.

d.

Question number: 28

» Mathematical Physics » Elements of Complex Analysis » Residue Theorem and Applications

Appeared in Year: 2014

MCQ▾

Question

The unit vector perpendicular to the surface at the point is –

Choices

Choice (4) Response

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Question number: 29

» Thermodynamics and Statistical Physics » Classical and Aquantum Statistics

Appeared in Year: 2014

MCQ▾

Question

For a gas under isothermal conditions, its pressure P varies with volume V and . The bulk module B is proportional to –

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Choice (4) Response

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c.

d.

Question number: 30

» Electromagnetic Theory » Interference

Appeared in Year: 2016

Short Answer Question▾

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In a Young’s double slit experiment using light, the apparatus has two slits of unequal widths. When only slit – 1 is open, the maximum observed intensity on the screen is . When only slit – 2 is open, the maximum observed intensity is . When both the slits are open, an interference pattern appears on the screen. The ratio of the intensity of the principal maximum to that of the nearest minimum is .

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