NEET Physics: Questions 1728 - 1731 of 2098

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Question number: 1728

» 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 0.170 second. The frequency of the wave is,

Choices

Choice (4) Response

a.

0.36 Hz

b.

0.73 Hz

c.

1.47Hz

d.

2.94 Hz

Question number: 1729

» Oscillations and Waves » Simple Pendulum

MCQ▾

Question

The length of a simple pendulum is increased by 5%. Its time period will

Choices

Choice (4) Response

a.

Increase by 2.5%

b.

Decrease by 5%

c.

Increase by 3.5%

d.

Increase by 2%

Question number: 1730

» Oscillations and Waves » Wave Motion

MCQ▾

Question

A wave travelling in positive X-direction with A = 0.2m has a velocity of 360 m/sec. If λ = 60m, then correct expression for the wave is

Choices

Choice (4) Response

a.

y=0.2sin[π(6tx60)]

b.

y=0.2sin[π(6t+x60)]

c.

y=0.2sin[2π(6t+x60)]

d.

y=0.2sin[2π(6tx60)]

Question number: 1731

» Oscillations and Waves » Speed of a Wave

MCQ▾

Question

A wave represented by the given equation Y=Asin(10πx+15πt+π3) where x is in meter and t is in second. The expression represents,

(1) A wave travelling in the negative X direction with a velocity of 1.5 m/sec

(2) A wave travelling in the negative X direction with a wavelength of 0.2 m

(3) A wave travelling in the positive X direction with a velocity of 1.5 m/sec.

(4) A wave travelling in the positive X direction with a wavelength of 0.2 m

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

Choices

Choice (4) Response

a.

2 and 4 are correct

b.

1, 2 and 3 are correct

c.

1 and 2 are correct

d.

1 and 3 are correct

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