A radar pulse is reflected by an object 50 km away from the receiver. How long would it take for the wave to return to the receiver?

Q: Which of the following statements is/are true of a coherent beam of light? Their's rays have the…

A: Two light beams are said to be coherent if the phase difference between them is constant with…

Q: Which list contains only transverse waves? A infra-red waves, light waves, sound waves infra-red…

A: Given : Different Combinations of  Infrared waves, Light waves, Ultraviolet rays, Sound waves,…

Q: 21.8 A dish antenna with a diameter of 17.2 m receives (at normal incidence) a radio signal from a…

A:

Q: Light with a wavelength of 500 nm enters a medium with a refractive index n=1.25. What is the…

A: Given: The wavelength of the light is 500 nm. The refractive index of the material is 1.25.

Q: A telescope in Chile is able to observe light with a frequency of f0= 105.0 GHz (1GHz=10^9). When…

A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…

Q: It takes 3.8 x 10^-5 s for a pulse of radio waves from a radar to reach a plane and bounce back.How…

A: Given data :             Time taken by pulse of radio waves to reach the plane from radar and bounce…

Q: A television is tuned to a station broadcasting at a frequency of 2.54×108 Hz . For best reception,…

A: Given,  The television is broadcasting at a frequency = 2.54×108 Hz We know, Frequency, ν = cλ c =…

Q: If visible, red light is compared with the violet end of the visible spectrum:     red has greater…

A: Visible spectrum

Q: 15) The lowest frequency of visible light is   A. Violet   B. Red   C. Yellow   D. Blue

A: Given:The lowest frequency of visible light islambda,λ =CfFrequency will be lowest when the…

Q: Find the frequency of yellow light with a wavelength of 590.0 nm. O 5.08 x 1014 Hz O 1.97 x 103 Hz O…

A: Given data: wavelength, λ=590.0nm

Q: In a Cinema hall, the distance between the projector and the screen is increased by 2%. Then the…

A: Given data The final distance between the projector and the screen is r2=1.02r1 The initial…

Q: UV rays with a wavelength (in a vacuum) of 366.0 nm are passed into a medium with a refractive index…

A: Given wavelength (in a vacuum) =  366.0 nm refractive index = n = 1.65. We have to calculate the…

Q: It takes 3.8 x 10-5 s for a pulse of radio waves from a radar to reach a plane and bounce back. How…

A:

Q: Diffraction, Wavelength and Slit Width Diffraction Occurs For All Waves Diffraction only occurs for…

A: Diffraction is the phenomenon of bending of waves when the wave passes around the edge of an object.…

Q: Which of the following statement is defined as line of sight distance? Distance covered by an…

A: The answer is discussed below:

Q: Light has wavelength 600 nm in a vacuum. It passes into glass, which has an index of refraction of…

A: Given:  Wavelength λ = 600 nm Index of refraction of glass n = 1.5 To find frequency of light…

Q: A positively-charged object with a mass of 0.194 kg oscillates at the end of a spring, generating…

A: Frequency of oscillations is proportional to spring constant and inversely to mass. A restoring…

Q: 19 In the diagram below, P is a source of radio waves of frequency 75 MHz. The waves travel to R by…

A: Given, the frequency of radio wave is 'f' = 75 MHz = 75 x 106 Hz from the diagram, the path length…

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: WTOP transmits radio waves at 103.5 MHz (M = 106). What is the wavelength of their waves?

A: Given that, frequency of radio wave is f = 103.5 MHz = 103.5×106 Hz We know that radio waves travel…

Q: Determine the instantaneous equation of the waveform as shown V1 80 V + |45° 133 15° (a) 80cos(wt+45…

A:

Q: Which of the following statements is true regardingelectromagnetic waves traveling through a…

A:

Q: Infra-red light has a wavelength of 800 nm. What is the frequency of this light?

A:

Q: You are working as a radio technician. One day, you set up a standing wave pattern with radio waves…

A: The radio waves is a type of a em-wave and for that matter, the speed (v) of the wave is the same as…

Q: The US Navy communicates with submerged submarines using frequency v= 76 Hertz radio waves. What is…

A: Given data: Frequency ν=76Hz Refractive index n=1.34

Q: A newly-purchased cell phone in your left hand transmits radio waves with frequency 800 MHz. How…

A:

Q: 1 What features make radio waves useful for transmission? O They are not absorbed by the atmosphere…

A: Radio wave is an electro magnetic wave radiation. As the wavelength of radio waves are longer than…

Q: Light is an example of what type of wave? a. Transverse wave b. Electromagnetic wave c. Heatwave d.…

A:

Q: Match the correct wavelength with the following colors from the visible light band 400nm red light…

A: Visible light band is defined as the portion of electromagnetic radiation spectrum that can be…

Q: It is false, that radio waves travel at the same rate as high energy visible light waves through…

A: No it is true that radio waves travel at the same rate as high energy visible light waves through…

Q: Radio waves are readily diffracted around buildings whereas light waves are negligibly diffracted…

A:

Q: The amount of signal refraction that occurs depends on? The frequency of the radio wave The density…

A: Refraction is the phenomenon of waves either light waves or radio waves being deflected when they…

Q: A radio transmitter broadcasts 4.5 kW of power to a 3.2 m diameter ceceiver.   Calculate the…

A:

Q: A 26m wavelength of a radio wave is produced by two sources simultaneously. The interference of…

A: Given that wavelength of a radio wave and also given distance between source and point of…

Q: The amount of signal refraction that occurs depends on : * The frequency of the radio wave O The…

A: The wave energy directly varies with the frequency of the wave, so the amount of the signal…

Q: You have been taken to the emergency room. To get a constant update on your vital signs, equipment…

A: wavelength of infrared signal = 921 nm wavelength of visible red light signal = 632 nm

Q: The wavelength of visible light is from, O 400 m to 700 m O 400 km to 700 km O 400 cm to 700 cm O…

A:

Q: Calculate the wavelengths of the following objects. A 75 kg athlete running a 3.0-minute mile:…

A: Given value--- mass of athlete = 75 kg. mass of earth = 6 × 1027 g. velocity of athlete = 1/3 min…

Q: Visible light has a higher frequency than:    A) Radio waves B) X rays C) Ultra violet D) All the…

A: The frequency range of radio waves is approximately 106 Hz → 108 Hz . The frequency range of x-ray…

Q: Red light has a frequency of 4.0 x 10+4 Hz and a speed of 3.0 x 10° m/s. What is its wavelength?…

A: The wavelength of a light wave is defined as the distance between the crest and trough of a wave.…

Q: 7. A radio telescope is a detector used to detect a radio wave from an astronomical object. It is…

A: Refer to the figure below :  Height of the cliff is h. Path length of reflected beam is a. Part of…

Q: The wavelength of a light in air is 559 nm. What is its frequency?

A: Wavelength of light= 559 nm  Speed of light,c = 3*108 m/s  So frequency,f =???

Q: What is the frequency of light of wavelength 666 nm? |Hz What is the wavelength of a cell-phone…

A: Given data : The wavelength of the a light is given as λ=666nm

Q: The figure below shows a radio wave transmitter and a receiver separated by a distance d = 50…

A: Given values: distance d = 50 m Height h = 35 m phase shift = 180o

Q: Tripling the distance from an observer to a point source of light waves will cause the intensity…

A: Introduction: The intensity of the light wave defines the power of the source per unit area at a…

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.