NEET Physics: Questions 1739 - 1743 of 2099

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Question number: 1739

» Oscillations and Waves » Resonance

MCQ▾

Question

Amplitude of a wave is represented by A=ca+bc . Then resonance will occur when

Choices

Choice (4) Response
a.

b=c2

b.

b=a2

c.

b=0&a=c

d. All of the above

Question number: 1740

» Oscillations and Waves » Speed of a Wave

MCQ▾

Question

A transverse wave is represented by the equation y=y0sin2πλ(vtx) , Here v = wave velocity. For what value of x, the maximum particle velocity equal to two times the wave velocity

Choices

Choice (4) Response
a.

λ=πy02

b.

λ=πy03

c.

λ=πy0

d.

λ=2πy0

Question number: 1741

» Oscillations and Waves » Periodic Motion - Period Frequency

MCQ▾

Question

A simple pendulum is executing simple harmonic motion with a time period . If the length of the pendulum is increased by 15%, the percentage increase in the time period of the pendulum of is,

Choices

Choice (4) Response
a.

5%

b.

11%

c.

7.5%

d.

30%

Question number: 1742

» Oscillations and Waves » Longitudinal and Transverse Waves

Assertion-Reason▾

Assertion (Ꭺ)

Particle velocity and wave velocity both are independent of time.

Reason (Ꭱ)

For the propagation of wave motion in medium, the medium must have the properties of elasticity and inertia.

Choices

Choice (4) Response
a. Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ
b. Ꭺ is true but Ꭱ is false
c. Ꭺ is false but Ꭱ is true
d. Both Ꭺ and Ꭱ are false

Question number: 1743

» Oscillations and Waves » Simple Pendulum

MCQ▾

Question

The bob of a pendulum of length l is pulled aside from its equilibrium position through an angle θ and then released. The bob will then pass through its equilibrium position with a speed v, where v equals

Choices

Choice (4) Response
a.

2gl(1+cosθ)

b.

2gl(1+sinθ)

c.

2gl(1cosθ)

d.

2gl(1sinθ)

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