If a particle travelling with a speed of 0.9 of the speed of sound and is emitting radiations of frequency if 1kHz and moving towards the observer, what is the apparent frequency? a) 1.1 kHz b) 0.8 kHz c) 0.4 kHz d) 10 kHz

Q: me = 9.11 x 10-31kg h = 6.626 x 10-34 Js 1. The wave number k is given by: a) k = 2n2 b) k = nA c) k…

A: There are 15 different questions asked here. As per our policy, we will answer the first question.…

Q: fre c) Two aeroplanes A and B are moving away from one anotherwith a speed of 540 km/hr. The…

A: Given :  velocity with which they are moving apart = v = 540 km/hr = 540 x 5/18 = 150 m/s velocity…

Q: w?Ip101 = k¢1(01 – 02) eq.4 .... w?Ip202 = kt1 (02 – 0,) +kr2 (02 – 03) eq.5 - .... .. ... w?Ip303 =…

A: Given,…

Q: Its mass is 1.6689 x 10-27 kg, and it is accompanied in its motion by a wave of length 1.97735 x 10…

A: This question can be solved by using rules of the quantum mechanics involved wavelength and dual…

Q: What frequency will be heard by a moving observer travelling at 25 m s-1 towards a stationary siren…

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Q: There existed a propagation medium called the luminiferous ether or just ether. Which of the…

A: Correct option  A. High elasticity , low density. Because Ether have an high elasticity to support…

Q: y = 0.2 sin (30t - 40x)(SI units) what is the wavelength of the wave

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Q: A traveling wave train has wavelength 0.50 m, speed 20 m/s. Find the wave frequency. A 10 Hz B 20 Hz…

A: Given, wavelength of the traveling wave, λ = 0.50 m wave speed, v = 20 ms

Q: 9. A radio station is broadcasting radio signals with a frequency of 1.023 x 108Hz. It travels…

A: Given : frequency ν = 1.023 * 108 Hz speed  c  = 2.997 * 108 m/s

Q: A cork on the surface of a pond bobs up and down two times per second on ripples having a wavelength…

A: Given data: The rate of cork on the surface of the pond bobs is, f = 2 bobs/sec Wavelength is, λ=…

Q: 3.) A paper has size 216 mm x 279 mm (8.5 in x 11.0 in). Ten sheets of paper weigh 4.54 g (ounce).…

A: Given:Area of 1 sheet of paper, A = 0.216m×0.279m = 0.0602 m2weight of 10 paper sheets, 10×m = 4.54…

Q: 17. The speed of a light waves in vacuum is 3 x 10° m/s. The period of the light wave is 700 ns.…

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Q: In an experiment, the period of vibration of a light source with a -7 wavelength of 7.40 × 10 ´m was…

A: If you have any questions let me know in comment box thankyou for your question.

Q: In a sinusoidal wave, the time required for a particular point to move fror maximum displacement to…

A: Answer is frequency = 2.34Hz

Q: The displacement during the first six seconds. a. 20m b. 25m c. cannot be determined d. 0m

A: Given data:  The position vs time graph Required: The displacement during the first six seconds

Q: Why do we use Ultrasound waves for cleaning, and not regular audible sound waves or even infrasound…

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Q: what is the wavelenght of a carrier wave with a frequency of 100 megahertz?    a. 3.0m b. 7.5m…

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Q: Four wave functions are given below. Rank them in order of the magnitude of the speeds, from least…

A: Speed of a wave is given as , v = w/k  Here w is coefficient of t and k is coefficient of x .

Q: Two visibly very different waves are observed on the surface of a placid pond, so they must have…

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Q: 7. A patrol moves with a constant speed, sounding its siren with a frequency of 600 Hz. An observer…

A: The frequency emitted by siren (source), f=600 Hz The observer at rest observes frequency, fo=680 Hz…

Q: VBR = 50 m/s VAR = 30 m/s Two cars are ini- tially 960m apart and are approaching each other at…

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Q: 8. A racing car emits a frequency of 1200 Hz and travels at a speed of 280 km/h on a hot day, when…

A: When the source of sound and observer are in relative motion, the frequency of sound heard by…

Q: A pendulum has a period of 5 seconds. What is its frequency? 0.2 Hz 5 Hz 25 Hz 1 MHz

A: We know thatf=1THeref=frequencyT=time period

Q: QUESTION 18 A wave of wavelength 400 m is having a speed of 330 m/s. Its frequency is Additional…

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Q: A string in a musical instrument is 50cm long and its fundamental frequency is 800Hz. If a frequency…

A: C

Q: The speed of electromagnetic waves in air is 3.0 x 108 m s-¹. Calculate: a) the wavelength of light…

A: The wavelength, frequency, and the speed of an electromagnetic wave are related by the equation,…

Q: A cork on the surface of a pond bobs up and down two times per second on ripples having a wavelength…

A: THE SPEED OF THE RIPPLE IS GIVEN BY  V=fλ…

Q: The intensity (i.e. the average power per unit area: I = Pav) of bright sunlight on the earth's kW…

A: Given Data:Intensity of sunlight (I) = 1 kW/m²Solar panel efficiency (η) = 1 Average power…

Q: 10.35 An electric motor runs at 900 rpm and delivers 2.0 hp. How much torque does it deliver? Ans.…

A: let us find the total torque induced/delivered by the electric motor which runs at ω=900rpm or…

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Q: floating object oscillates up and down 3 complete cycles in 1 second as a water wave of wavelength 5…

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Q: Write an equation representing a linearly polarized wave with an angular frequency propagating in…

A: Given: Angle = 30 degree

Q: A cork on the surface of a pond bobs up and down two times per second on ripples having a wavelength…

A: Given: The frequency is 2 Hz. The wavelength is 7.10 cm. The distance of cork from the shore is 14.5…

Q: Is this statement True or False Regardless of who is doing the moving, is the observer and source…

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Q: A wave has a wavelength of 6.03618 x 10-7 m and frequency of 4.96659 x 10¹4 Hz. What is its speed?

A: Given data -                                  wavelength (λ) = 6.03618×10-7 m…

Q: 30.) If you are listening to a recording with a frequency of 19,000 Hz and a wavelength of 0.017…

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Q: What a sound wave has a frequency of 727 HZ an air and a way blank of 0.51 M. what is the…

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Q: If a wave pulse with an amplitude of 2 cm overlaps with a wave pulse that has an amplitude of -4 cm,…

A: Given data: Amplitude of first wave pulse is, A1=2 cm. Amplitude of second wave pulse is, A2=-4 cm.

Q: If the frequency of oscillation of the wave emitted by an FM radio station is 106 MHz, estimate the…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A submarine is moving toward another submarine at 10.71 m/s. It emits a 5.03-MHz ultrasound. What…

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