NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 1606 - 1610 of 2184

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Question number: 1606

» Electronic Devices » Semiconductors

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MCQ▾

Question

Energy bands in solids are a consequence of

Choices

Choice (4) Response

a.

Heisenberg’s uncertainty principle

b.

Bohr’s theory

c.

Pauli’s exclusion principle

d.

Ohm’s Law

Question number: 1607

» Oscillations and Waves » Simple Harmonic Motion » Oscillations of a Spring

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MCQ▾

Question

A mass m is suspended from the two coupled springs connected in series. The force constant for springs are k 1 and k 2 . The time period of the suspended mass will be,

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1608

» 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.

A = 5 cm

b.

A = 10 cm

c.

A = 15 cm

d.

A = 30 cm

Question number: 1609

» Oscillations and Waves » Simple Pendulum

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MCQ▾

Question

A pendulum suspended from the ceiling of a train has a period T, when the train is at rest. When the train is accelerating with a uniform acceleration a, the period of oscillation will,

Choices

Choice (4) Response

a.

Remain unaffected

b.

Become infinite

c.

Increase

d.

Decrease

Question number: 1610

» Oscillations and Waves » Simple Pendulum

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MCQ▾

Question

The length of a simple pendulum is 2 m. The spherical bob which is empty from inside has a mass of 50 gm. This is now replaced by another solid bob of same radius but having different mass of 100 gm. The new time period will be,

Choices

Choice (4) Response

a.

4 sec

b.

8 sec

c.

1 sec

d.

2 sec