NEET Physics: Questions 1601 - 1605 of 2142

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Question number: 1601

» Electronic Devices » Semiconductor Diode

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 forward bias, diffusion in reverse bias

b.

Drift in both forward and reverse bias

c.

Diffusion in forward bias, drift in reverse bias

d.

Diffusion in both forward and reverse bias

Question number: 1602

» Oscillations and Waves » Simple Pendulum

MCQ▾

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.

Equation in the backward direction

b.

Equation in the backward direction

c.

Equation in the forward direction

d.

Equation in the forward direction

Question number: 1603

» Oscillations and Waves » Periodic Motion - Period Frequency

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.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 1604

» Electronic Devices » Semiconductors

MCQ▾

Question

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

Choices

Choice (4) Response

a.

Semiconductor

b.

Conductors

c.

Insulator

d.

All of the above

Question number: 1605

» Electronic Devices » Semiconductors

MCQ▾

Question

Energy bands in solids are a consequence of

Choices

Choice (4) Response

a.

Heisenberg’s uncertainty principle

b.

Ohm’s Law

c.

Pauli’s exclusion principle

d.

Bohr’s theory

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