ULF (ultra low frequency) electromagnetic waves, produced inthe depths of outer space, have been observed with wavelengths inexcess of 29 million kilometers. What is the period of such a wave?

Q: Sound .cwave h ve er at 98peed length of399 m/st. It its wove is 2:7 em, what is the frequency of…

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Q: ent waves with the same amplitude but different wavelengths. Indicate which ha

A: Amplitude is height of the wave and wavelength is distance over which wave's shape repeats.

Q: He’s standing at a D distance from an isotropic source of sound waves. Walk 6.11 m towards the…

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Q: How many times a minute does a boat bob up and down on ocean waves that have a wavelength of 36.0 m…

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Q: A tuning fork vibrates 543.0 times a second, producing sound waves with a wavelength 63.0 cm. What…

A: The wavelength of a wave is given by λ = vf, where v = the velocity of the wave f = frequecny of the…

Q: Suppose a dolphin sends out a series of clicks that are reflected back from the bottom of the ocean…

A: Given:Distance covered by the sound to reach the bottom of the sea (d) = 55 mSpeed of sound in…

Q: Radio waves transmitted through space at 3.00×108 m/s by the Voyager spacecraft have a wavelength of…

A: The equation for the radio waves can be given as

Q: A transverse wave is moving at 4.0 mS in positive n-directi on as shown in #igure. The loca ti on x…

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Q: A 120-g wire fixed at both ends is 8 m long and has a tension of 100 N. What is the longest possi-…

A: In this problem, we are dealing with a stretched string. To solve the question, we will find out the…

Q: Microwaves used in microwave ovens often have a wave- length of about 12 cm. What is the frequency…

A: The relation between wavelength λ and frequency ν for electromagnetic waves is given by, ν=cλ Where…

Q: A loudspeaker emits a sound wave at a particular frequency. If the intensityof the wave is doubled,…

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Q: A car's siren emits a sinusoidal wave with frequency fₛ=280Hz, the speed of sound V = 270m/s and the…

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Q: WE-10 A progressive wav M, and enters into another medium M, in which its speed decreases to 75%.…

A: Given: speed of wave in M1=v1and speed of wave in M2=v2we have v2 = 75% of v1v2=75100v1v2=34v1

Q: Show that the wave equation y(x,t)=A cos(wt + kx) satisfies the wave equation.

A: y(x,t)=A cos(wt + kx)

Q: The phase difference between two identical sinusoidal waves propagating in the same direction is t…

A: Given : Two identical sinusoidal waves traveling in same direction have phase difference π

Q: A bat's sqeak takes 0.146 s to retun after reflecting off a moth.  How far away is the bat from the…

A: The time to reach the moth is,

Q: The Doppler weather radar used by the National Weather Service is referred to as Nexrad, which…

A: when the Nexrad is a source and the weather which is approaching the source is the observer, then…

Q: Two identical traveling waves, moving in the same direction, are out of phase by π/2 rad. What is…

A: Amplitude of each wave = ym phase difference = π/2 radians = 90 degrees

Q: A stroboscope is set to flash every 8.00×10−5 s . What is the frequency of the flashes?

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Q: sound travels at 1540 m/s in body tissue. If an ultrasound device sends out a frequency of 10 MHz,…

A: Given, Speed of wave, v = 1540 m/s Frequency of sound, f=10 MHz=10×106=107 Hz

Q: How many times a minute does a boat bob up and down on ocean waves that have a wavelength of 40.0 m…

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Q: Sound Caused by an explosion on the ocean's surface travels vertically downward to an underwater…

A: Given data: Total time taken (t) = 11.6 Speed (v) = 1450 m/s Required: The depth of the mountain

Q: A periodic wave of wavelength 2.07m and frequency 1.47Hz propagates along a string.  What is the…

A: Given:- The wavelength of the wave λ= 2.07 m  The frequency of the wave = 1.47 Hz  Find:- The wave…

Q: What I the velocity of the wave in a guitar string having a length if o.65 m and a mass of 3.5 g…

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Q: the wave function of a standing wave is given by A. 2Asin(kx)cos(wt) B. Asin(kx)cos(wt)

A: Considering two waves with same amplitude and wavelength is travelling in opposite direction and…

Q: You shout the word hellointo an idealized echo tube. Five seconds later, the helloreturns to your…

A: Given Speed of sound = 340 m/s Time taken by the echo to return = 5 sec.

Q: As the frequency drops, what happens to the sound's wavelength

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Q: A SCund wave foavels at 9 spee ef of 340 m/s?If its wovelergth 2.0 (m, what is The frequency of the…

A: Given data :               Wave  length  = λ              Speed of sound  =  v         To find :…

Q: A series of ocean waves. 240 m from to crest and moving past an a rate of per secendhas what speed?

A: Given: Wavelength of the waves is given asλ = 240 mFrequency v = 1  To find: Wave velocity v

Q: Standing waves can be said to be due to “interference inspace,” whereas beats can be said to be due…

A: Given: Standing waves can be said to be due to “interference in space,” whereas beats can be said to…

Q: On a typical Martian morning, the very thin atmosphere (which is almost entirely carbon dioxide) is…

A: The speed of sound in air can be given by v=331m/s1+T273K

Q: A Seund wave travels of a speed of 422 m[s. If ite in the frequency warelength is 31 cm-what 18 of…

A: Wavelength × frequency = speed Here,  Wavelength =3.1cm  = 3.1×10^-2 m Speed = 422 m/s

Q: we has anplitude of 0.35 m, a frequency of 1.05 x 10° Ha ex direction at the speed of light. 3.00 x…

A: Given amplitude = 0.35 m

Q: Sound travels at 1540 40 m/s in body tissue. If an ultrasound device sends out a frequenc of 16 MHz…

A: The speed of sound in body tissue: v = 1540 m/s (in the question, it is mentioned "1540 40 m/s", it…

Q: The harmonic SPerical wave is. given by the fallowing equation Y (rit) A iK (r wt) wherein the…

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Q: The record for the world’s loudest burp is 109.9 dB, measured at a distance of 2.5 m from the…

A: Given data: Sound intensity level, β=109.9 dB Distance, r=2.5 m Known data: Threshold intensity of…

Q: The lowest A on a piano has a frequency of 27.5 Hz. Assume: The tension in the A piano wire (of…

A: Given data The frequency of the piano is f =27.5 Hz. The length of the wire is l = 0.51 m. The…

Q: what is the wave in a coil spring that has characteristics as f=9.1 Hz and v= 4.55m/s? if the spring…

A: Given data: Frequency, f=9.1 Hz Velocity, v=4.55 m/s We have to find the wavelength.

Q: Find the Doppler frequency of the reflected wave by the cloud moving 14m/s in the direction of the…

A: Speed of radio waves = 3×108 msSpeed of aircraft (v') = 250 kmhrSpeed of cloud (v'') = 14…

Q: frequency of a rope is .5 Hz and the wavelength is 100 m. What is the speed of that rope?

A: Given, Frequency of the rope, f = 5 Hz  Wavelength =100 m

Q: Suppose you want to demonstrate the Doppler effect for deep-water waves, using a 7.21 Hz source…

A: Given that:fs=7.21 Hzfo=9×7.21=64.9 Hz

Q: A musical note on a piano has a frequency of 49 hz. Uf the tension in tge 2-m string is 308 N and…

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Electromagnetic Waves

Electromagnetic waves are waves that consist of magnetic field and electric field components perpendicular to each other. These field components are also perpendicular to the direction of propagation of the wave.