An electromagnetic wave is created by A. a changing electric field. B. a changing magnetic field. C. a changing electric field and a changing magne station charged narticle
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A: Answer: a. Gamma rays Explanation: The approximate frequencies of the given EM waves are given in…
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A: Radio wave and light wave are both electromagnetic waves.
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Q: 7.Use a diagram to help you explain the working principle of an electro-optics intensity modulator.
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A: We know the expression for energy is E=hfWhere, f is the frequency of photon h is plank's…
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A: Given Which of the following electromagnetic waves has the lowest frequency? a. Microwaves b.…
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Q: An electromagnetic wave is shown in the figure. In what direction is the wave propagating (moving)?…
A: Given, Direction of electric field, E=i Direction of magnetic field, B=-k
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A: The total number of waves passing through a point is termed frequency and the total length of the…
Q: 9. QUESTION 9 Which of these best describes an electromagnetic wave propagating through space?…
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A: Electromagnetic wave:- Relation between E, C and B
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A: Given, wavelengthλ=685×10-2m
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Q: 37.) Which of the following lists of electromagnetic waves is in the correct order from the lowest…
A: Since frequency is inversely proportional to wavelength. So a wave with higher wavelength will have…
Q: Is it possible for an electromagnetic wave to travel through a vacuum? Explain.
A: Electromagnetic waves are the transverse waves which have both electric and magnetic field vectors…
Q: Determine the wavelength, frequency of this electromagnetic wave. Calculate the averagee total…
A: from the given figuret=4×10-9 sso time periodT=4×10-9 s
Q: a.) The wavelength of electromagnetic wave is 400nm. What is its frequency? b.) Solve for the speed…
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Q: Which one of the following cannot be polarized? a.sound waves b. X-rays c. microwaves…
A: The electromagnetic waves consist of a large number of waves that differ by their wavelengths and…
Q: What are the properties of X-rays (electromagnetic wave)?
A: The X rays are the electromagnetic waves with wavelength ranging from 0.01 to 10 nanometers.
Q: Propagation Direction Electric Field (E) Magnetic Field (B) -2 Wavelength=0.0685 x10 m Calculate the…
A: Introduction:The speed of the electromagnetic wave is equal to the speed of the light, which is…
Q: Which one is true? a. All electromagnetic waves that travel in a same place use the same speed b.…
A: EM waves or electromagnetic waves are the resultant of electric field and magnetic field vibrating…
Q: Electromagnetic waves with the longest wavelengths are a. gamma rays b. infrared С. x rays d. radio…
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Q: Propagation Direction Electric Field (E) Magnetic Field (B) -2 Wavelength= 685 x10 m Calculate the…
A: Here the wavelength is 685*10^-2 m.
Q: b) A magnetic field wave propagating with wave vector, k, and angular frequency, w, may be described…
A: B(r,t) = Boel(kt) By writing B, k and r in terms of their rectangular components, or otherwise, show…
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A: Given: Electromagnetic waves in certain wavelength ranges interact with water molecules because the…
Q: Velocity of electromagnetic wave is A. C = \µ,E, 新 B. C = µ,E, D. C = V E, Ho C. C = · H.
A: All waves satisfy the second order partial derivative wave equation given by ∂2u∂t2=c2∂2u∂x2c=speed…
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A: Given data: An electrostatic wave Maximum strength of magnetic field (B) = 8.1×10-6 T Required: The…
Q: A UHF antenna is desI O a. oscillating electr b. oscillating magn
A: GIVEN : UHF antenna with the part of it responding to an electromagnetic wave. Electromagnetic…
Q: When light propagates in vacuum there is an electric field and a magnetic field. These fields: O a.…
A: Magnetic field and electric field are perpendicular to the direction of propagation of light…
Q: 7. The electromagnetic wave that delivers a cellular phone call to a car has a magnetic field with…
A: The intensity relation is given in terms of total energy, time, and area as I=UAt
Q: What is the maximum electric field strength in an electromagnetic wave that has a maximum magnetic…
A: Given that What is the maximum electric field strength in an electromagnetic wave that has a maximum…
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A: The magnitudes of the electric and magnetic fields in empty space or vaccum are related by the…
Q: 41) Which of the following radiations is NOT an electromagnetic wave? (B) ultra-violet radiation A.…
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Q: Radio waves have the lowest frequency of all the electromagnetic waves. What does the frequency of…
A: Given data: The frequency of radio waves = lowest The energy of radio waves (E) = ?
Q: 17. When the light coming from a distant star is photographed on spectrometer, it is observed that…
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Q: Electromagnetic waves (EM) are produced by A. A neutron accelerating from 50m/s to 90m/s B.…
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Q: Would electromagnetic waves exist if changing magnetic fields could produce electric fields, bur…
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Q: The energy of EM radiation is directly inversely proportional to its A. amplitude B.…
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Q: 3. What is the maximum electric field strength of an electromagnetic wave whose maximum magnetic…
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Q: #4. If the frequency of an electromagnetic wave is increased, its speed A) stays the same B)…
A: The speed of light, that is an electromagnetic wave, is steady in a vacuum and is denoted by "c"…
Q: By measuring the electric and magnetic fields at a point in space where there is an electromagnetic…
A: We need to understand how we can find the direction of electromagnetic waves by measuring the…
Q: What are the amplitude and electric field of an electromagnetic wave with a magnetic field amplitude…
A: Here, we use the relation between the amplitudes of electric and magnetic fields to get the…
Q: An EM wave has a frequency of 2 x 1014 Hz. What is the wavelength? A. 1.5 nm B. 1.5 km C.…
A: frequency of EM wave= 2 x 1014 Hz EM waves travels with speed of light(c)=3 x 108 m/s let λ be…
Q: Upon refraction, the property of an EM wave that does not change is the A. both period &…
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Q: an electromagnetic wave in a vacuum has a magnetic field amplitude of 217 nT. Calculate the…
A: Write the equation for magnitude of electric field. E=B×c Here, The intensity of the electrical…
Q: A beam of light passes from air into fused quartz. Which of the following is true about the…
A: We have, Refractive Index of Fused Quartz, n = 1.5 A beam of light passes through this medium.
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