NEET Physics: Questions 1732 - 1737 of 2098

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Question number: 1732

» Oscillations and Waves » Periodic Functions

MCQ▾

Question

A chimpanzee swinging on a swing in a sitting position, stands up suddenly, the time period will

Choices

Choice (4) Response

a.

Remain same

b.

Become infinite

c.

Increase

d.

Decrease

Question number: 1733

» Oscillations and Waves » Longitudinal and Transverse Waves

MCQ▾

Question

In a sinusoidal wave, the time required for a particular point to move from maximum displacement to zero displacement is 0.125 second. The frequency of the wave is,

Choices

Choice (4) Response

a.

2.0 Hz

b.

1.47 Hz

c.

0.73 Hz

d.

2.94 Hz

Question number: 1734

» Oscillations and Waves » Displacement Relation for a Progressive Wave

MCQ▾

Question

Two waves are given by y1=asin(ωtkx) and y2=acos(ωtkx) . The phase difference between the two waves is

Choices

Choice (4) Response

a.

π2

b.

π4

c.

π

d.

π8

Question number: 1735

» Oscillations and Waves » Principle of Superposition of Waves

MCQ▾

Question

If two waves of same frequency and same amplitude on superimposition produced a resultant disturbance of the same amplitude, the waves differ in phase by

Choices

Choice (4) Response

a.

Zero

b.

π2

c.

2π3

d.

π

Question number: 1736

» Oscillations and Waves » Periodic Motion - Period Frequency

MCQ▾

Question

The time period of a simple pendulum of length 2 L as measured in an elevator descending with acceleration g / 3 is

Choices

Choice (4) Response

a.

6πLg

b.

2π3L2g

c.

π3Lg

d.

2π2L3g

Question number: 1737

» Oscillations and Waves » Displacement Relation for a Progressive Wave

MCQ▾

Question

Two blocks A and B each of mass m are connected by a massless spring of natural length L and spring constant k. The blocks are initially resting on a smooth horizontal floor with the spring at its natural length. A third identical block C also of mass m moves on the floor with a speed v along the line joining A and B and collides with A. Then

(1) The kinetic energy of the A - B system at maximum compression of the spring is mv24

(2) The maximum compression of the spring is Vm2k

(3) The kinetic energy of the A – B system at maximum compression of the spring is zero.

(4) The maximum compression of the spring is VmTk

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

Choices

Choice (4) Response

a.

1 and 3 are correct

b.

1, 2 and 3 are correct

c.

2 and 4 are correct

d.

1 and 2 are correct

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