NEET Physics: Questions 1755 - 1758 of 2098

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Question number: 1755

» Oscillations and Waves » Simple Pendulum

MCQ▾

Question

At any instant of time the displacement of a simple pendulum is 0.08 m and acceleration is 2 m/sec 2; the angular velocity will be:

Choices

Choice (4) Response

a.

10 radian/sec

b.

5 radian/sec

c.

4 radian/sec

d.

0.1 radian/sec

Question number: 1756

» Oscillations and Waves » Displacement Relation for a Progressive Wave

MCQ▾

Question

The relation between time and displacement for two particles is given by

y1=0.06sin2π(0.04t+ϕ1) and y2=0.03sin2π(1.04t+ϕ2) .

The ratio of the intensities of the waves produced by the vibrations of the two particles will be

Choices

Choice (4) Response

a.

2: 1

b.

4: 1

c.

1: 2

d.

1: 4

Question number: 1757

» Oscillations and Waves » Simple Harmonic Motion » Phase

MCQ▾

Question

The composition of two simple harmonic motions of equal periods at right angle to each other and with a phase difference of results in the displacement of the particle along,

Choices

Choice (4) Response

a.

Figure of 8

b.

Circle

c.

Straight line

d.

Ellipse

Question number: 1758

» Oscillations and Waves » Periodic Motion - Period Frequency

Assertion-Reason▾

Assertion (Ꭺ)

The periodic time of a hard spring is less compared to that of a soft spring.

Reason (Ꭱ)

The periodic time depends upon the spring - constant, and spring constant is large for hard spring.

Choices

Choice (4) Response

a.

Both Ꭺ and Ꭱ are false

b.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

c.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

d.

Ꭺ is true but Ꭱ is false

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