NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 1601 - 1605 of 2184

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Question number: 1601

» Oscillations and Waves » Simple Pendulum

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MCQ▾

Question

If a simple pendulum oscillates with an amplitude of 50 mm and time period of 2 sec, then its maximum velocity is,

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1602

» Electronic Devices » Semiconductor Diode

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MCQ▾

Question

The dominant mechanisms for motion of charge carriers in forward and reverse biased silicon P-N junctions are

Choices

Choice (4) Response

a.

Drift in both forward and reverse bias

b.

Drift in forward bias, diffusion in reverse bias

c.

Diffusion in forward bias, drift in reverse bias

d.

Diffusion in both forward and reverse bias

Question number: 1603

» Oscillations and Waves » Simple Pendulum

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Question

A simple pendulum is set up in a trolley which moves to the right with an acceleration a on a horizontal plane. Then the thread of the pendulum in the mean position makes an angle θ with the vertical is

Choices

Choice (4) Response

a.

in the forward direction

b.

in the forward direction

c.

in the backward direction

d.

in the backward direction

Question number: 1604

» 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 50 Hz is 0.02 m. The maximum value of the acceleration of the particle is

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1605

» Electronic Devices » Semiconductors

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MCQ▾

Question

The valence band and conduction band of a solid overlap at low temperature, the solid may be

Choices

Choice (4) Response

a.

Insulator

b.

Conductors

c.

Semiconductor

d.

Question does not provide sufficient data or is vague