NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 1661 - 1665 of 2320

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Question number: 1661

» Oscillations and Waves » Simple Pendulum

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MCQ▾

Question

The bob of a simple pendulum is displaced from its equilibrium position O to a position Q which is at height h above O and the bob is then released. Assuming the mass of the bob to be m and time period of oscillations to be 2.0 sec, the tension in the string when the bob passes through O is,

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 1662

» Oscillations and Waves » Periodic Motion - Period Frequency

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Question

The maximum velocity and the amplitude of a body moving in a simple harmonic oscillator are 4 m/s and 2 m. Then angular velocity will be

Choices

Choice (4)Response

a.

1 rad/sec

b.

3 rad/sec

c.

0.5 rad/sec

d.

2 rad/sec

Question number: 1663

» Oscillations and Waves » Simple Harmonic Motion » Phase

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MCQ▾

Question

A particle executes simple harmonic motion [amplitude = A] between x =-A and x =+A. The time taken for it to go from 0 to is T 1 and to go from to A is T 2. Then

Choices

Choice (4)Response

a.

T 1 < T 2

b.

T 1 > T 2

c.

T 1 = T 2

d.

T 1 = 2T 2

Question number: 1664

» Oscillations and Waves » Periodic Functions

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Question

Two masses m 1 and m 2 are suspended together by a massless spring of constant k. When the masses are in equilibrium, m 1 is removed without disturbing the system. The amplitude of oscillations is,

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 1665

» Electronic Devices » Semiconductor Diode

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MCQ▾

Question

In the given figure, which of the diodes are forward biased?

Circuit diagram consists of PN- junction diode and resistor

Circuit Diagram Consists of PN- Junction Diode and Resistor

Select the correct answers and mark it according to the following codes:

Codes:

Choices

Choice (4)Response

a.

1,2 and 3 are correct

b.

1 and 2 are correct

c.

2 and 4 are correct

d.

1 and 3 are correct

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