Oscillations and Waves (NEET (National Eligibility cum Medical Entrance Test) Physics): Questions 193 - 195 of 195

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Question number: 193

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

Appeared in Year: 2017

MCQ▾

Question

A spring of force constant Equation is cut into lengths of ratio Equation . They are connected in series and the new force constant is Equation . Then they are connected in parallel and force constant is Equation . Then Equation is –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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Question number: 194

» Oscillations and Waves » Doppler Effect in Sound

Appeared in Year: 2017

MCQ▾

Question

Two cars moving in opposite directions approach each other with speed of Equation and Equation respectively. The driver of the first car blows a horn having a frequency Equation . The frequency heard by the driver of the second car is [velocity of sound Equation ]:

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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Question number: 195

» Oscillations and Waves » Standing Waves in Strings and Organ Pipes

Appeared in Year: 2017

MCQ▾

Question

The two nearest harmonics of a tube closed at one end and open at other end are Equation and Equation . What is the fundamental frequency of the system?

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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