(I) AM radio signals have frequencies between 550 kHz and 1600 kHz (kilohertz) and travel with a speed of 3.0 x 108 m/s What are the wavelengths of these signals? On FM the frequencies range from 88 MHz to 108 MHz(megahertz) and travel at the same speed. What are their wavelengths?

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

A: Given,…

Q: What is the frequency of the object below? 3 2 1 -1 -2 -3 1s AAA [?] Hz

A: From given diagram ,   Since , object completes one cycle in                    (3.5 s - 1.5 s) = 2…

Q: If a wave has a period of 1.735 × 10−15 s and a wavelength of 520.0 nm, how fast is it travelling?

A: Given:T = 1.735 × 10−15 s λ = 520.0 nm = 520.0 x 10-9 m Solution:We know, speed of wave is given…

Q: (a) Neil A. Armstrong was the first person to walk on the moon. The distance between the earth and…

A: (a) Time taken by radio waves sent by Neil from the Moon to reach Earth.

Q: At this rate, how long would it take your eardrum to receive a total energy of 3.0 J ? Express your…

A:

Q: (c) Calculate the wavelength and amplitude of the wave shown below: 2m (d) A man standing 300 m in…

A: The distance between the two successive crests and troughs of a wave is known as its wavelength. It…

Q: The time required for a sound wave (v-340 m/s) to travel 20m at a frequency of 512 is

A: given ,  For a sound wave , speed , v = 340 m/s traveled distance , x = 20 m Frequency , f = 512 Hz…

Q: The speed of light is a constant in air. It is approximately 3 * 108  m/s. Note that the color green…

A: Solution :- we have given  λ= 500nm = 500 × 10-9 m we are asked to find frequency (f) =? we know…

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

A: Ultrasonic waves (sounds having frequency greater than 20,000 Hz) are used in sonar because: 1.…

Q: The speed of light is 3 x 108ms-1. Violet light has a wavelength of about 4 x 10-7m. Calculate the…

A: Given  Speed of light v=3×108m/s Wavelength λ=4×10-7m

Q: FM is superior to AM because Select the correct response: it eliminates most of amplitude variation…

A: In Frequency modulation (FM) the carrier wave is modulated in frequency by the signal that is to be…

Q: The path difference between two waves is 6m. If the wavelength of the waves emitted by the two…

A: We have the relation: phase difference=2πλ×path difference

Q: Red Visible light has a wavelength of 6.5x10^-7m what is the frequency in s^-1

A: Required : Frequency of light

Q: The electromagnetic spectrum. Electromagnetic waves, which include light, consist of vibrations of…

A: Concepts:-   (i) frequency, wavelength and speed are related with the equationf =cλSpeed of the E.M…

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: The speed of sound in air at 0∘is: A) 331 m/s B) 330 m/s C) 330 ms D) 331 ms

A: The speed of sound varies with the temperature.  The speed of sound in air at 0 degree C is nearly…

Q: (a) What is the speed of sound (in m/s) at 30∘ Celsius? (b) For a frequency of 5 kHz, how large do…

A:

Q: The work function of a surface is given by 3.3X10-19 J. Find the threshold frequency of the surface.…

A: This question is from photoelectric effect

Q: (I) (a) Calculate the wavelengths in air at 20°C for sounds inthe maximum range of human hearing, 20…

A: a) The relation between the wavelength, frequency and velocity is given by,

Q: The resultant intensity due to the destructive interference of two waves is 36 W/m. Evaluate the…

A: The amplitude of each wave. given, Resultant intensityIR=36 Wm-2A1A2=14

Q: An airplane moving at 0.5 the speed of sound turns on a loud siren, with frequency 2000 Hz. The…

A: We have given Frequency of sound f = 2000 Hz  Let V = velocity of sound  Velocity of airplane Vs =…

Q: Why does the speed of a wave change when the amplitude remains the same but the frequency changes?

A: The speed of a wave is always its wavelength times its frequency.Speed = Wavelength x Wave…

Q: 1.Radar is used to determine distances to various objects by measuring the round-trip time for an…

A: Distance = speed x time

Q: (I) (a) What resonant frequency would you expect from blowing across the top of an empty soda bottle…

A: To find: (a) What resonant frequency would you expect from blowing across the top of an empty soda…

Q: Water ripples are produced by making a cork oscillate up and down at a frequency of 6Hz. The peaks…

A:

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: 00 A Moving to another question will save this response. 31 hp & 2$ % 7 6. 4.

A:

Q: Ex, 27 : What should be the tension applied to a wire of length 0.8 m and mass 5 gm if it is to…

A: Length of wire L = 0.8 m Mass of wire m = 5 gm = 0.005 kg Fundamental frequency f = 100 Hz

Q: (c) Calculate the wavelength and amplitude of the wave shown below: 2m 4m n

A: Given data: Required: The wavelength and amplitude of the wave

Q: The work function of a surface is given by 3.3X10-19 J. Find the threshold frequency of the surface.

A:

Q: 4) Radio telescopes receive radiowaves from distant stars. If such a wave has a wavelength of 24 cm…

A:

Q: 2) List two differences between sound waves and light waves

A: To write two difference between sound wave and light wave.

Q: The work function of a surface is given by 3.3X10-19 J. Find the threshold frequency of the surface.…

A:

Q: Medical Application - (a) What is the intensity in W/m2 of a laser beam used to burn away cancerous…

A: (a)  The intensity of a laser beam is given as, Here, P and A represent the power output and the…