NEET Physics: Questions 1602 - 1606 of 2099

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 2099 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 550.00 or

Question number: 1602

» 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: 1603

» 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.

tan1(ag) in the backward direction

b.

tan1(ga) in the backward direction

c.

tan1(ag) in the forward direction

d.

tan1(ga) in the forward direction

Question number: 1604

» 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.

135π2ms2

b.

150πm2s2

c.

200π2ms2

d.

100ms2

Question number: 1605

» 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: 1606

» 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

Sign In