Sound travels faster in seawater (1522 m/s) than in freshwater (1482 m/s). Why is this? a. Seawater has higher temperature b. Seawater has higher density c. Seawater has dissolved solids d. None of the above
Q: b. speed c. frequency d. None of the above 2. An azimuth-range radar display has a geometric…
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Q: What is the difference in sound levels of two sounds having intensities of 10 and 500 µW/cm^2? A. 13…
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Q: Soft sound waves and loud sound waves travel with the same speed in air because A. Speed of…
A: We know softness hand loudness of sound depends on its amplitude and it's independent of its speed…
Q: A sound wave in air has a frequency of 500 Hz and a wavelength of 68 cm. What is the air…
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Q: Sound exerts a pressure P on the human ear.† This pressure increases as the loudness of the sound…
A: Given : relationship between pressure and loudness P = 0.0002 × 1.122D
Q: When the frequency of the source of a water wave increases, the speed of the waves traveling in the…
A: Write the equation for the speed of the waves traveling in the water.…
Q: 5. Doppler shift of ultrasonic waves can measure the speed of blood in an artery. If the frequency…
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Q: A pendulum clock is made with a metal rod. It keeps perfect time at a temperature of 20°C. At a…
A: Pendulum clock
Q: 29. Ocean waves lap against a deserted beach once every 5 seconds. If there are about 10 meters…
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Q: Sound travels at the fastest speed in: A. steel B. water C. air D. vacuum
A: The speed of sound varies with the medium. The speed of sound is the fastest in solids.
Q: A teacher wants to demonstrate that the speed of sound is not a constant value. Considering her…
A: B.
Q: 1. An example of a medium for a wave is a. air. b. water. c. space. d. all of the above. 2. A medium…
A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…
Q: Seismic waves are described by s-waves and p-waves. Which of these about seismic waves is not true?…
A: 1st questionP waves or primary waves arrives first and S waves or secondary waves arrive second, so…
Q: transverse mechanical waves can pass through a. solid b. liquids c. gasses d. all of the above
A: Explanation: Transverse waves: A transverse wave is a wave whose wave oscillations are perpendicular…
Q: Wind gusts create ripples on the ocean that have a wavelength of 5 cm and propagate at 2 m/s. What…
A: Given Wavelength λ=0.05m Speed v=2 m/s
Q: On increasing the temperature, the speed of sound in air: a. first increases then become constant b.…
A: Speed of sound in air with temperature is given by v=331+0.61T where v is speed and T is…
Q: QI- Find the speed of sound in a gas and its molecular weight, given its bulk modulus is 2x10° N/m²,…
A: We have a gas with bulk modulus B=2*106N/m2, density ρ=103kg/m3 and adiabatic constant γ=1.4 at a…
Q: Explain why the speed of sound is faster in solids than in gases. Include two other factors what can…
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Q: The speed of sound is affected by both temperature and medium it is travelling on. a. True b.…
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Q: A clock with a brass pendulum shaft keeps correct time at a certain temperature. a. How closely must…
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Q: 1/ Which of the following is NOT another term for “thermal agitation”? a. Johnson noise…
A: Thermal agitation is random motion of molecules or other small components of any electrical circuit,…
Q: A pendulum consists of a thin metal rod with a metal mass at the bottom. While the pendulum is…
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Q: A plane travels at an atmosphere of 3°C, plane must exceed a velocity of in order to break the sound…
A: The speed of sound at the given temperature T=30C is 333 m/s.
Q: What happens to the frequency of the sound that you hear if the source is moving towards you? a.…
A: Doppler effect is defined as the variation of the observed frequency of a sound when there is the…
Q: At what temperature, the speed of sound in the air will become double of its value at 27°C? a) 54°C…
A: D
Q: What happens to the speed of sound in air in an increasing temperature? a.decreases b.increases…
A: 1. If temperature increases the speed of sound in air also increases. Speed of sound is directly…
Q: 12. What is the approximate speed of sound? a. 1000 feet per second b. 1 billion feet per second…
A: We know speed of sound is 343m/ sec
Q: Sound waves in air are: A. transverse B. longitudinal C. electromagnetic D. polarised
A: A wave in which the particles of the medium vibrate in the direction of the line of advance of the…
Q: . The sound of a loud rock concert (at 100 decibels) is how much louder than the sound of rustling…
A: decibel scale is logarithmic scale.every 10 decibels you add multiplies the intensity of the sound…
Q: mans can perceive some of these sounds while the others would be considered waves. a. ultrasonic c.…
A: A sound is a vibration that propagates through a medium in the form of a mechanical. The medium in…
Q: 3. Doubling the intensity of sound: a. Doubles the sound level. b. Increases sound level by factor…
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Q: 1. The driver of a truck parked on a mountain road give the air horn a quick blast toward a rock…
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Q: 17. Which of the following best describes the relationship between the speed of sound and the type…
A: Here given the description of sound through medium. We have to define the correct statement.
Q: A tsunami can have a wavelength in water of 100 km and travel at up to speeds of 800 km/hr. So, why…
A: The other name of Tsunamis is known as giant waves, due to some undesirable distraction…
Q: Longitudinal mechanical waves can pass through A. solids. B. liquids. C. gases. D. All of…
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Q: 30. Complete the following statement: In order to increase the frequency of the motion, one would…
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Q: 4. The topmost photograph above shows the shock waves around a model of the X-15 experimental…
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Q: 1.noise canceling earphones are an example of A. Constructive interference B. Destructive…
A: 1.noise canceling earphones are an example of Answer:- B. Destructive enterference Explanation- A…
Q: 16. The sound of a loud rock concert (at 100 decibels) is how much louder than the sound of rustling…
A: Option E is correct answer
Q: 1. earthquake? 2. Suppose you have seats to a concert featuring your favorite musical…
A: sound intensity: The power carried by sound waves per unit area in a direction perpendicular to that…
Q: b.strike the sea wall at B 2.a.what will happen to the water waves when they pass over shallow…
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