NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 1654 - 1658 of 2184

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Question number: 1654

» Electronic Devices » Semiconductors

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MCQ▾

Question

The forbidden energy band gap in conductors, semiconductors and insulators are EG 1, EG 2 and EG 3 respectively. The relation among them is

Choices

Choice (4) Response

a.

EG 1 > EG 2 > EG 3

b.

EG 1 = EG 2 = EG 3

c.

EG 1 < EG 2 < EG 3

d.

EG 1 < EG 2 > EG 3

Question number: 1655

» Oscillations and Waves » Periodic Motion - Period Frequency

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MCQ▾

Question

The amplitude of a particle executing S. H. M. with frequency of 35 Hz is 1cm. The maximum value of the acceleration of the particle is

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1656

» Oscillations and Waves » Displacement as a Function of Time

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MCQ▾

Question

A simple harmonic motion is represented by . The amplitude of the S. H. M. is

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1657

» Oscillations and Waves » Periodic Motion - Period Frequency

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MCQ▾

Question

A cylindrical piston of mass M slides smoothly inside a long cylinder closed at one end, enclosing a certain mass of gas. The cylinder is kept with its axis horizontal. If the piston is disturbed from its equilibrium position, it oscillates simple harmonically. The period of oscillation will be

Cylindrical piston of mass M

Cylindrical Piston of Mass M

In above figure we shows that cylindrical piston of mass M slides smoothly inside a long cylinder closed at one end, enclosing a certain mass of gas

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1658

» Oscillations and Waves » Periodic Functions

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MCQ▾

Question

A particle executes simple harmonic motion with an angular velocity and maximum acceleration of 2.5 rad/sec and 5.5 m/s 2 respectively. The amplitude of oscillation is,

Choices

Choice (4) Response

a.

0.77 m

b.

0.88 m

c.

1.04 m

d.

0.28 m