Which one of the following statements is true? A dog whistle isn’t loud enough for humans to hear, or the speed of a pulse sent up a rope hanging from the ceiling will decrease as the pulse rises, or a wave hitting a fixed boundary is not inverted upon reflection, or a seismic P-wave can propagate all the way through the earth? Explain

Q: What is meant by noise pollution? Name one source of sound causing the noise pollution?

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A: Body wave - the wave which travel through interior of earth .there  are two type of body wave , p…

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A: This is a question asked in international language . We are asked about phonons

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Q: (2) What are the typical sources of attenuation?

A: Attenuation refers to the reduction in the strength of a signal as it travels through a medium.

Q: f it takes a wave on the ocean 76.4 seconds to pass by the point of a rock, what is the frequency…

A: time taken by the wave to cross a rock = 76.4 sec means length covered by wave = λ/4 T = 1/n n = 1/T…

Q: A tsunami produces a series of waves 100 km apart. If these waves reach shore every 15 minutes,…

A: Page 1

Q: To navigate, a porpoise emits a sound wave that has a wavelength of 2 cm. The speed at which the…

A: Given data :             Wavelength, λ = 2cm = 0.02m             Speed of sound waves in sea water,…

Q: Explain the meaning of waves, definition, causes, classification and types.

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A: We are asked to tell what do ocean waves and sound waves have in common.

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A: Wave height can be defined as the distance between crest and trough of a wave. The height of the…

Q: To navigate, a porpoise emits a sound wave that has a wavelength of 10 cm. The speed at which the…

A:

Q: Question 12: A block of mass m is released at rest at height h. It is undergoing a circular motion…

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Q: Looking at the waves in the picture   Which of these waves can travel the furthest?   Which of…

A: Looking at the waves in the picture Which of these waves can travel the furthest? Which of these…

Q: . How long would it take you to hear an echo if a canyon wall is 803 meters away.  (velocity of…

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Q: You see a lightning bolt. If you hear thunder 3 seconds later, how far away was the strike. How…

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A: Transverse waves: When the vibrating particles of the medium are at a right angle to the direction…

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A:

Q: ‏What is ultrasound and how is it used in imaging the human body in a sonar device?

A: Ultrasounds sound waves have a freq. range of . It is out of our hearing range.

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A: Approach to solving the question: Detailed explanation: Examples:   Key references:

Q: frequency?

A:

Q: Determine the wavelength of an ocean wave, given its velocity is 3 m/s and its frequency is 15 Hz?

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Q: What are characteristics of wave motion?

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Q: 7. A bat makes a squeak of frequency 8 kHz. (Convert from kHz to Hz.) If the sound travels at 343…

A: Here, 8kHz=8kHz×103Hz1kHz=8000 Hz

Q: Which of these type of waves carry energy? O Seismic waves O Sound waves O They all do O Water waves

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