. Can EM waves travel through a perfect vacuum? Can soundwaves?

Q: If the maximum value of the electric field Emax is tripled, the intensity of the wave changes by a…

A: Given that:Emax'=3Emax

Q: Sound waves are O a. longitudinal electromagnetic waves O b. transverse mechanical waves O c…

A: Introduction: In nature different vibrations present. The sources of vibrations are different.…

Q: Who will hear the voice of a singer first- a person in the balcony 50.0 m away from the stage, or a…

A: Given: Who will hear the voice of a singer first- a person in the balcony 50.0 m away from the…

Q: 6. (10 points) An electromagnetic wave in a given profile travels with a speed of 1.2 x 10° m/s.…

A: a) The refractive index of the material isμ=cv=3×108 m/s1.2×108 m/sμ=2.5 Hence, the refractive index…

Q: A 2.40–m–diameter university communications satellite dish receives TV signals that have a maximum…

A:

Q: Please don't write on a paper. I can't understand handwritten. What is the maximum radiation…

A: What is the maximum radiation pressure exerted by sunlight in space (I = 1350 W/m²) on a highly…

Q: Holding your hand at arm’s length, you can readily block direct sunlight from your eyes. Why can you…

A: the size of the arm is greater than the wavelength of light and as an obstacle, ther is no…

Q: A current rod is placed in between two magnetic poles as shown below. What is the direction of the…

A:

Q: The electric field of an electromagnetic wave propagating through a vacuum Is given by: E = 250 sin…

A: Given that: E=250 sin(2π×1012t-23π×104) i^ V/m To determine: (i) Intensity carried by the wave (ii)…

Q: Can radio antennas emit visible light. ?

A: Regular radio antennas can not emit visible lights, however if enough energy is pumped into the…

Q: Why is the radiation pressure of an electromagneticwave on a perfectly reflecting surface twice as…

A: This is a question related to Electromagnetic waves. Consider a surface on which the electromagnetic…

Q: When circular right hand polarized wave incident upon a horizontally polarized wave the PLF is O 1 О…

A: Answer is  -       0.5 Because when polarized light passes it's wavelength reduced .

Q: i. A traveling electromagnetic wave in a vacuum has an rms electric field amplitude of 59.7 V/m.…

A:

Q: An important news announcement is transmitted by radio waves to people who are 85 km away, sitting…

A: important news announcement is transmitted by radio waves to people who are 85 km away, sitting next…

Q: A lightbulb emits light uniformly in all directions. If the rmselectric field of this light is 16.0…

A:

Q: An electromagnetic standing wave in air of frequency 750 MHzMHz is set up between two conducting…

A:

Q: How the slit in Polarizing filters passes electromagnetic waves thathave an electric field parallel…

A: A polarizing filter contains several long chains of molecules along the axis perpendicular to its…

Q: 3. A transverse plane wave is incident normally on a perfectly absorbing flat screen. Note that for…

A:

Q: Why are electromagnetic waves considered to be transverse waves if they are not mechanical waves (do…

A: The electromagnetic waves, are not mechanical waves, as they do not need any medium for their…

Q: In electromagnetic radiation that propagates in a vacuum, if you divide its number of waves by its…

A: Given thatIn electromagnetic radiation that propagate in a vaccume.If  you divide its number of…

Q: An electromagnetic wave, such as light, does not require a medium. Can you think of an example that…

A: Electromagnetic waves

Q: 2.50-m-diameter university communications satellite dish receives TV signals that have a maximum…

A:

Q: Radio waves and visible light are both electromagneticwaves. Why can a radio receive a signal behind…

A: Radio waves have- 1. Frequencies range of 300 kHz - 300 GHz 2. Wavelength range of 1 Km - 1 mm…

Q: People used to check if train was coming by putting their ear on the railway. Why do they use this…

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Q: An AM radio station broadcasts isotropically (equally in all directions) with an average power of…

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Q: A point source emits light energy uniformly in all directions at an average rate P, with a single…

A: Assume that the value of electric field for the wave is given by, E=E0cosωt-kr Here, E is the value…

Q: An AM radio station broadcasts isotropically (equally in all directions) with an average power of…

A: Detailed solution is given below:

Q: 7. A vertically polarized beam of light of intensity 100 W/m² passes through two ideal polarizers.…

A:

Q: You will learn that light is an electromagnetic wave that can travel through a vacuum. Can sound…

A: Electromagnetic waves travels through vacuum

Q: A 55-kW radio station broadcasts its signal uniformly in all directions. (a) What is the average…

A: Intensity is given by I=P/4πr²

Q: 1. If you have completely polarized light of intensity 155 W what will its intensity be after…

A: Here, I0 = 155  θ = 90°

Q: Give some practical application of EM waves?

A: Waves formed as a result of vibrations between an electric and magnetic field are electromagnetic…

Q: 4. A very small source of light that radiates uniformly in all directions produces an electric field…

A: (a) Given: The electric field amplitude is 2.96 Vm. The distance from the source is 33.0 m.…

Q: The concept of transmission of light used in optical fiber is O a. Dispersion O b. Total internal…

A: The concept of transmission of light used inoptical fiber is   T I R

Q: 4. If the intensity of a light source on a surface is 1000 Watts per square meter, find the electric…

A:

Q: space

A: Given: Maximum radiation pressure =? Solar constant = 1350 W/m2

Q: A point source emits monochromatic electromagnetic waves into air uniformly in all directions. At a…

A: At 5 m electric field is 20 V/m

Q: Public television station KQEDin San Francisco broadcasts a sinusoidal radio signal at a power of777…

A: Given: r=5 km or 5×103 m P=777 kW  And we know: εo=8.85×10-12 C2/N.m2c=3×108 m/s Area of the…

Q: 3. The electric field of an EM wave traveling in a vacuum is described by the following wave…

A: Given data The electric field of an EM wave travelling in a vacuum is: E = (5 V/m)cos[kx-(6 x 109…

Q: A certain microwave oven projects 1.00 kW of microwaves onto a 30-cm-by-40-cm area. (a) What is its…

A: