Physics

#### A tuning fork of 512 Hz is used to produce resonance in a resonance tube experiment The level of water at first resonance is 307 cm and at second resonance is 63 2 cm What is the error in calculating velocity of sound ? Asume the speed of sound 330 m/s

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- 204 1
- 58
- 110
- 280

#### Answer:The correct answer is: 280

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#### An open pipe is in resonance in harmonic with frequency Now one end of the tube is closed and frequency is increased to such that the resonance again occurs in harmonic Choose the correct option

#### An open pipe is in resonance in harmonic with frequency Now one end of the tube is closed and frequency is increased to such that the resonance again occurs in harmonic Choose the correct option

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#### A hollow pipe of length 0.8 m is closed at one cad At its open and a 0 5 m long uniform string is vibrating in its second harmonic and it rosonates with the fundamentals frequency of the pipe if the tension in the wire is 50 N and the speed of sound is , what is the mass of the string

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#### An air column in a pipe, which is closed at one end will be in resonance with a vibrating tuning fork of frequency 264 Hz, What is the length of the column if it is in cm ? (speed of sound in air =330m/s)

#### An air column in a pipe, which is closed at one end will be in resonance with a vibrating tuning fork of frequency 264 Hz, What is the length of the column if it is in cm ? (speed of sound in air =330m/s)

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#### In a resonance tube experiment, the first resonance is obtained for 10 cm of air column and the second for 32 cm The end correction for this apparatus is equal to

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#### A closed organ pipe of length L and an open organ pipe contain gases of densities and respectively The compressibility of gases are equal in both the pipes Both the pipes are vibrating in their first overtone with same frequency What is the length of the open organ pipe?

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#### Amount of heat required to raise the temperature of a body through 1K is called its

#### Amount of heat required to raise the temperature of a body through 1K is called its

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#### Two vibrating strings of the same material but of lengths Land 2L have radii 2r and r respectively They arestretched under the sarme tension Both the string vibrate in their fundamental modes Theone of length L with frequency and the other with frequency what is the ratio ?

#### Two vibrating strings of the same material but of lengths Land 2L have radii 2r and r respectively They arestretched under the sarme tension Both the string vibrate in their fundamental modes Theone of length L with frequency and the other with frequency what is the ratio ?

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#### An open pipe is suddenly closed at one end with the result that the frequency of third harmonic of the closed pipe is found to be higher by 100 Hz than the fundamental frequency of the open pipe What is the fundamental frequency of the open pipe?

#### An open pipe is suddenly closed at one end with the result that the frequency of third harmonic of the closed pipe is found to be higher by 100 Hz than the fundamental frequency of the open pipe What is the fundamental frequency of the open pipe?

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#### A tube, closed at one end and containing air, produces, when excited, the fundamental note of frequency 512Hz If the tube is opened at both ends what is the fundamental freuency that can be excited (in Hz )?

#### A tube, closed at one end and containing air, produces, when excited, the fundamental note of frequency 512Hz If the tube is opened at both ends what is the fundamental freuency that can be excited (in Hz )?

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#### A sphere, a cube and a thin circular plate are all made of the same material, have the same mass and are initially heated to a temperature of Arrange then in the ascending order of rate of cooling

#### A sphere, a cube and a thin circular plate are all made of the same material, have the same mass and are initially heated to a temperature of Arrange then in the ascending order of rate of cooling

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#### t is the units of emissive power in Stefan’s law ?

#### t is the units of emissive power in Stefan’s law ?

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#### A body cools in 5 minute from to . The termperature of the surroundings is . What is its temperature after the next 5 minute?

#### A body cools in 5 minute from to . The termperature of the surroundings is . What is its temperature after the next 5 minute?

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#### Two spheres of the same material have radii 1 m and 4m and temperatures 2000k and 4000k respectively. If the energy radiated by the spheres are respectively then find ratio of

#### Two spheres of the same material have radii 1 m and 4m and temperatures 2000k and 4000k respectively. If the energy radiated by the spheres are respectively then find ratio of

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#### A liquid takes 5 minute to cool from to . The temperature of the surrounding is . What is the time it will take to cool from ?

#### A liquid takes 5 minute to cool from to . The temperature of the surrounding is . What is the time it will take to cool from ?

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