GATE Physics: Questions 47 - 50 of 290

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Question number: 47

» Nuclear and Particle Physics » Baryons

Appeared in Year: 2014

MCQ▾

Question

Which one of the following three – quarks states (qqq) , denoted by X, CANNOT be a possible baryon? The corresponding electric charge is indicated in the superscript.

Choices

Choice (4) Response

a.

X+

b.

X++

c.

X

d.

X

Question number: 48

» Nuclear and Particle Physics » Elementery Particles

Appeared in Year: 2014

Short Answer Question▾

Write in Short

Consider the process μ++μπ++π . The minimum kinetic energy of the muons (μ) in the centre of mass frame required to produce the pion (π) pairs at rest is _MeV .

(Given:mμ=105MeVc2,mπ=140MeVc2) .

Question number: 49

» Nuclear and Particle Physics » Beta Decay

Appeared in Year: 2014

MCQ▾

Question

A nucleus X undergoes a first forbidden βdecay to a nucleus Y . If the angular momentum (I) and parity (P) , denoted by IP as 72 for X , which of the following is a possible IP value for Y ?

Choices

Choice (4) Response

a.

32

b.

12+

c.

32+

d.

12

Question number: 50

» Electromagnetic Theory » Faraday's Law

Appeared in Year: 2015

MCQ▾

Question

A long solenoid is embedded in a conducting medium and is insulated from the medium. If the current through the solenoid is increased at a constant rate, the induced current in the medium as a function of the radial distance r from the axis of the solenoid is proportional to –

Choices

Choice (4) Response

a.

r inside the solenoid and 1r2 outside

b.

r inside the solenoid and 1r outside

c.

r2 inside the solenoid and 1r outside

d.

r2 inside the solenoid and 1r2 outside

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