Oscillations and Waves-Periodic Motion - Period Frequency (NEET (National Eligibility cum Medical Entrance Test) Physics): Questions 6 - 9 of 16

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Question number: 6

» Oscillations and Waves » Periodic Motion - Period Frequency

MCQ▾

Question

The time period of a simple pendulum of length 2 L as measured in an elevator descending with acceleration g / 3 is

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 7

» 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.

Ꭺ is false but Ꭱ is true

b.

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

c.

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

d.

Both Ꭺ and Ꭱ are false

Question number: 8

» Oscillations and Waves » Periodic Motion - Period Frequency

MCQ▾

Question

The amplitude of a particle executing S. H. M. with frequency of 35 Hz is 1cm. The maximum value of the acceleration of the particle is

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 9

» Oscillations and Waves » Periodic Motion - Period Frequency

MCQ▾

Question

A cylindrical piston of mass M slides smoothly inside a long cylinder closed at one end, enclosing a certain mass of gas. The cylinder is kept with its axis horizontal. If the piston is disturbed from its equilibrium position, it oscillates simple harmonically. The period of oscillation will be

Cylindrical piston of mass M

Cylindrical Piston of Mass M

In above figure we shows that cylindrical piston of mass M slides smoothly inside a long cylinder closed at one end, enclosing a certain mass of gas

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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