How does human echolocation help blind people?

Q: What is the range of frequencies associated with infrasound and ultrasound?

A: (a) Infrasound has frequencies less than 20 Hz. Examples: Bats, Dolphins, can emit ultrasound waves

Q: How does sound vary in different temperatures of water?

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Q: how does the speed of sound through soft tissue effect ultrasound images?

A: Answer:The ultra sound images are processed by sending sound pulses into human body using a probe,…

Q: A man is standing at a distance of 12m from a cliff. Will he be able to hear a clear echo of his…

A: The distance of a man from the cliff is given as d=12 m

Q: A cat can hear sound frequencies up to 70,000 Hz. Bats send and receive ultra-high-frequency squeaks…

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Q: The sound passes from one medium to .4 another its propagation . is *. different

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Q: What is the difference between infrasound and ultrasound?

A: Given:  infrasound and ultrasound

Q: When ultrasound waves travel from air into tissue they 1- slow down 2-speed up 3-remain at the…

A: When ultrasound waves travels in a medium, its speed will slow down.

Q: Why is lightening seen before thunder is heard?

A: Speed of light in Air is 299770 km/s , and speed of sound in air is around 343 m/s somewhere. As we…

Q: A bat flying in a cave emits a sound and receives its echo 0.1s later.Show that its distance from…

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Q: Why do you not hear the sound of distant fireworks until after you see them?

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Q: What are the method of imparting sound waves into a soil?

A: There are many methods there which can deliver sound waves in soil.

Q: What is the difference between aperiodic and periodic sounds?

A: APERIODIC SOUNDS = =>As the name suggests an aperiodic sound is the sound wave that does not…

Q: A lost boycries for help next to the cliff and the echo of his voice took 3s to return to him,the…

A: Given, Time taken by echo to reach , t = 3s We know that speed of sound = 343m/s. Let the distance…

Q: What is difference between an echo and a reverberation?

A: Echo is a reflection of sound wave which come to the listener after the direct sound wave.

Q: Which interact more with high pitched sounds- small bells or large bells?

A: We know that a high pitch sound refers to a high frequency sound wave and low pitch refers to a low…

Q: What are some explanations of sound waves?

A: Sound wave: Sound waves are longitudinal waves in which the particles os medium oscillate in the…

Q: What is the effect of wind on the speed of sound in air?

A: When sound travels in the direction of the wind, its speed is increased. The speed of sound is…

Q: Why is lightning seen before thunder is heard?

A: lightning seen before thunder is heard

Q: Why do you not hear the sound of fireworks until after you see them?

A: The velocity of the light is very high compared to the velocity of the sound.

Q: What is average range of young person's hearing?

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Q: Why is it so quiet after a snowfall?

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Q: Why do flying bees buzz?

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Q: Violins are short instruments, while cellos and basses are long. In terms of the frequency of the…

A: The frequency produced by an instrument is calculated by the mathematical formula, f=12LTμ Here, L…

Q: Why can we not hear echo in a small room?

A: The echo is produced due to the repetition of sound caused by the reflection of sound waves.

Q: A bat flying in a cave emits a sound and receives its echo 0.1 s later. Show that its distance from…

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Q: Women have shrill voice because of _______. A) Low frequency B) High frequency C) Shrill vocals D)…

A: Usually women have shorter vocal cord. It has thicker than men's vocal cord.

Q: What are longitudinal waves?

A: A longitudinal wave is the one in which the displacement of wave is parallel to the direction of…

Q: How does the phenomenon of interference play role in the production of bow waves or shock waves?

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Q: Why is an echo weaker than the original sound?

A: The reason is that as sound wave hits on a surface, some energy of sound wave is imparted on the…

Q: What is an echo?

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Q: Do sound waves need a means of propagation?

A: In this problem, it is asking that is it necessary a medium to propate the sound.

Q: A rule of thumb for estimating the distance in kilometers between an observer and a lightning stroke…

A: The speed of sound in air is around 330 m/s; the speed of light is 3x108 m/s. That means that, for…

Q: Bats use ultrasound waves to see. How has science used this concept to create technological gadgets?…

A: Ultrasound waves are the waves having the frequency more than 100 kHz to 200 kHz

Q: mi/h, its siren emitting sound at a

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Q: What kinds of wind conditions would make sound more easily heard at long distances? Less easily…

A: The direction of wind flow makes the sound heard difference at long distances.

Q: What is the physics and dynamic behind the navigation of aircraft/ airplanes? How they defy the…

A: There are four powers following up on an airplane. They are as mentioned below. 1)Weight – acting…

Q: which interact with high pitched sounds- small bells or large bells?

A: The frequency response is commonly referred to as the pitch of the sound. A high pitch noise is a…