Oscillations and Waves-Simple Harmonic Motion (NEET Physics): Questions 25 - 28 of 36

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Question number: 25

» Oscillations and Waves » Simple Harmonic Motion » Energy

Assertion-Reason▾

Assertion (Ꭺ)

The graph of total energy of a particle in SHM w. r. t, position is a straight line with zero slope.

Reason (Ꭱ)

Total energy of particle in SHM remains constant throughout its motion.

Choices

Choice (4) Response

a.

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

b.

Ꭺ is false but Ꭱ is true

c.

Both Ꭺ and Ꭱ are false

d.

Ꭺ is true but Ꭱ is false

Question number: 26

» Oscillations and Waves » Simple Harmonic Motion » Force

Assertion-Reason▾

Assertion (Ꭺ)

Consider motion for a mass spring system under gravity, motion of M is not a simple harmonic motion unless Mg is negligibly small.

Reason (Ꭱ)

For simple harmonic motion acceleration must be proportional to displacement and is directed towards the mean position.

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: 27

» Oscillations and Waves » Simple Harmonic Motion » Oscillations of a Spring

MCQ▾

Question

A ball of the mass 10 kg hangs from a spring and oscillates with time period of 2 π seconds. If the ball is removed the spring shortens by,

Choices

Choice (4) Response

a.

2πmeters

b.

gmeters

c.

gkmeters

d.

kgmeters

Question number: 28

» Oscillations and Waves » Simple Harmonic Motion » Phase

MCQ▾

Question

The path difference between the two waves y1=a1sin(ωt2πxλ) and y2=a2sin(ωt2πxλ+ϕ) is

Choices

Choice (4) Response

a.

λ2π(ϕ+π2)

b.

2πλϕ

c.

λ2πϕ

d.

2πλ(ϕπ2)

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