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Explain cavitation effect
engineering physics updated 5.8 years ago by teamques10 ★ 70k
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An ultrasonic pulse of 0.09M Hz sends down towards the sea-bed which returns after 0.55 seconds.
engineering physics updated 5.8 years ago by teamques10 ★ 70k
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State magnetostriction effect. Mention any two application of ultrasonic waves.
engineering physics updated 5.8 years ago by teamques10 ★ 70k
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A hall of dimension
engineering physics updated 5.8 years ago by teamques10 ★ 70k
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What is reverberation time? How it is important ? write the factors affecting reverberation time.
engineering physics updated 5.8 years ago by teamques10 ★ 70k
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what will be the reverberation time
engineering physics updated 5.8 years ago by teamques10 ★ 70k
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What is reverberation time? How is it important? Write the factors affecting Reverberation time.
engineering physics updated 5.8 years ago by teamques10 ★ 70k
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The reverberation time is 3 sec. calculate the total absorption of surface and average absorption
engineering physics updated 5.8 years ago by teamques10 ★ 70k
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Explain the factors on which reverberation time depends
engineering physics updated 5.8 years ago by teamques10 ★ 70k
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State any five factors affecting the acoustics of the building and give the remedies for each.
engineering physics updated 5.8 years ago by teamques10 ★ 70k
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What is reverberation time? Discuss sabine formula.
engineering physics updated 5.8 years ago by teamques10 ★ 70k
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What is working principle of SQUID ? Explain how it is used to detect the magnetic field?
engineering physics updated 5.8 years ago by teamques10 ★ 70k
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What is the working principle of maglev? Explain how it can acquire high speed?
engineering physics updated 5.8 years ago by teamques10 ★ 70k
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Superconductor is a perfect diamagnetic - Explain
engineering physics updated 5.8 years ago by teamques10 ★ 70k
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What is Maglev? How it can have very high speed?
engineering physics updated 5.8 years ago by teamques10 ★ 70k
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Define the critical temperature. Slow that in the superconducting state the material is perfectly diamagnetic.
engineering physics updated 5.8 years ago by teamques10 ★ 70k
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Calculate conductivity of a germanium sample
engineering physics updated 5.8 years ago by teamques10 ★ 70k
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Define super conductivity and critical temperature. Plot the variation of resistance versus temperature in case of superconducting state of the material.
engineering physics updated 5.8 years ago by teamques10 ★ 70k
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What is photovoltaic effect? Explain the principle and working of solar cell.
engineering physics updated 5.8 years ago by teamques10 ★ 70k
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With energy band diagram , explain the variation of fermi energy level with impurity concentration in extrinsic semiconductor.
engineering physics updated 5.8 years ago by teamques10 ★ 70k
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State the Hall effect. Derive the expression for Hall voltage and Hall coefficient with neat diagram.
engineering physics updated 5.8 years ago by teamques10 ★ 70k
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Write the Fermi Dirac distribution function and terms in it What is the probability of an electron being thermally excited to the conduction band in Si at 30 c. The band gap energy is 1.12 eV.
engineering physics updated 5.8 years ago by teamques10 ★ 70k
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Mobility of electron and hole in a sample of Ge at room temperature are
engineering physics updated 5.8 years ago by teamques10 ★ 70k
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Draw the energy band diagram of p-n junction diode in forward and reverse bias condition.
engineering physics updated 5.8 years ago by teamques10 ★ 70k
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What is photovoltaic effect? Explain the principle and working of Solar cell.
engineering physics updated 5.8 years ago by teamques10 ★ 70k
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