Oscillations and Waves-Displacement Relation for a Progressive Wave (NEET Physics): Questions 1 - 3 of 11

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Question number: 1

» 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.

2 and 4 are correct

b.

1 and 3 are correct

c.

1 and 2 are correct

d.

1, 2 and 3 are correct

Question number: 2

» 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: 3

» 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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