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It is not possible to get a constant single freque..
1.
It is not possible to get a constant single frequency using magnetostriction effect.
A.
True
B.
False
Answer» B. False
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An ultrasound pulse sent by a source in sea is reflected by a submerged target at a distance 597.50m and reaches the source after 0.83seconds. Find the velocity of sound in sea water.
A quartz crystal of thickness 0.001m is vibrating at resonance. Calculate the fundamental frequency. Density of quartz = 2.650×103 kg/m3 and Young’s modulus for quartz = 7.9×1010 N/m2.
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A_QUARTZ_CRYSTAL_OF_THICKNESS_0.001M_IS_VIBRATING_AT_RESONANCE._CALCULATE_THE_FUNDAMENTAL_FREQUENCY._DENSITY_OF_QUARTZ_=_2.650‚ÄÖ√†√∂‚Àւ•10<SUP>3</SUP>_KG/M<SUP>3</SUP>_AND_YOUNG‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖ¬•S_MODULUS_FOR_QUARTZ_=_7.9‚ÄÖ√†√∂‚Àւ•10<SUP>10</SUP>_N/M<SUP>2</SUP>.?$#
An_ultrasound_pulse_sent_by_a_source_in_sea_is_reflected_by_a_submerged_target_at_a_distance_597.50m_and_reaches_the_source_after_0.83seconds._Find_the_velocity_of_sound_in_sea_water.$
<p>Sonograms work under the principle of Doppler Effect?</p>
<p>What is the other name for ultrasonic flaw detector?</p>
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