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Electromagnetic Waves
Page 4
Questions (645)
A radio signal travels at 3 x 10^8 meters per second. How many seconds will it take for a radio signal to travel from a
2 answers
asked by
Sydney
1,173 views
What is the frequency of a blue light with a wavelength of 487nm?
2 answers
asked by
Student Lexi
526 views
In generating the synchronous spectrum, it is not necessary to specify the wavelength range, why?
1 answer
asked by
Lily
300 views
What is the wavelength in metres of an electromagnetic wave with a frequency of 10^14/s?
3 answers
asked by
Ben
471 views
What is the wavelength in metres of an electromagnetic wave with a frequency of 10^14/s?
4 answers
asked by
Ben
391 views
What is the wavelength of an electromagnetic wave with frequency 50.0 MHz?
Am I starting this problem like this?
1 answer
asked by
Ben
395 views
Radio waves and x-rays are similar in what:
a) comparable wavelengths b) cannot compare c)have same photon energies On the test,
1 answer
asked by
John DOe
395 views
wavelength .989 nm strikes a surface the emitted electron has a kinetic energy of .969eu
2 answers
asked by
kinte
468 views
Please check my work on this part of the assignment.
Medical x-rays, with a wavelength of about 10^-10m, can penetrate completely
2 answers
asked by
Anonymous
844 views
Problem 4.4- Suppose n o and n e are given. In (a) you only need to find the magnitude of the group velocity. Problem #2 in HW
1 answer
asked by
Joy
361 views
When a metal was exposed to light at a frequency of 4.26× 1015 s–1, electrons were emitted with a kinetic energy of 4.50×
2 answers
asked by
Chelsea
616 views
which waves have wavelengths longer than those of visible light? Give an example of how each kind of wave is used.
2 answers
asked by
Brandon
564 views
What are some properties of electromagnetic waves that distinguish them from other types of waves?
1 answer
asked by
Connexues 2022
359 views
Use the information about four different waves to answer the question.
Wave # Frequency Wavelength Wave 1 6.66 × 1014 Hz 450 nm
3 answers
asked anonymously
127 views
Radiowaves travel at the speed of light, which is 3 X 10^8 m/s. If a certain radio station broadcasts at a frequency of 1191
1 answer
asked by
Thad
435 views
Which of the following wavelengths of light has the highest energy?
1. 10 mm 2. 650 nm 3. 10 µm 4. 0.1 nm 5. 10 cm
2 answers
asked by
Thad
700 views
For the emission spectrum of Be3+, calculate the lowest wavenumber νˉ (in inverse meters) of light produced by electron
5 answers
asked by
Anonymous
529 views
A light beam has a frequency of 5 x 1015 Hz. What is its wavelength?
1 answer
asked by
Caroline
415 views
A light beam has a frequency of 5 x 1015 Hz. What is its wavelength?
1 answer
asked by
Jana
505 views
What is the wavelength of a radio photon from an "AM" radio station that broadcasts at 740 kilohertz?
2 answers
asked by
Anonymous
532 views
how long would it take a radio wave with a frequency of 4.3 X10 to the 5th power Hz to travel from Mars to Earth if the distance
1 answer
asked by
Anonymous
970 views
What are the wavelengths of electromagnetic wave in free space that have the following frequencies?
(a) 3.00 10^19 Hz pm (b) 7.50
3 answers
asked by
Matt Will
1,667 views
a photon drops from -22 eV to a ground state of -89.2 eV. the frequency the photon emits is?
[1.62]
1 answer
asked by
Anonymous
289 views
the relationship between the propaganation of an electromagnetic wave and the direction of its electric and magnetic fields are
2 answers
asked by
Anonymous
494 views
Suppose that the inside length of a microwave oven is 30 cm. If the length of a microwave oven is one half of the wavelength of
2 answers
asked by
kennedy
740 views
An AM radio statrion broadcasts atr 1060jGHZ Calculate tghe wavelength of the coressponding radio waves. Ned solution amdhow to
1 answer
asked by
KL
351 views
An AM radio station broadcasts at 1060 kHz. Calculate the wavelength of the corresponding radio waves. How do I calculate this?
2 answers
asked by
Liz
1,066 views
An EM wave has a wavelength of 620 nm.
What is its frequency? How would we classify it?
1 answer
asked by
###Nadine####
379 views
A radio station with a power of 20 kW sends out an omnidirectional wave at 1.25 MHz.
a. If the electromagnetic wave has an
3 answers
asked by
charlie
585 views
What is the frequency of a photon of blue light, if it has a wavelength of 440 nm?
3 answers
asked by
mel
765 views
Which type of wave can travel through the lack of matter in a vacuum? (1 point)
A.sound B.mechanical C.seismic D.light
3 answers
asked anonymously
58 views
What is the relationship between energy and the wavelength of an electromagnetic wave? I really need help because I know that
1 answer
asked by
Anonymous
387 views
Infrared waves- electromagnetic wave with a slightly ___________ frequency than radio waves
1 answer
asked by
Cortesha
1,113 views
1.Calculate the energy of a photon whose frequency is 2450 megahertz.
What is the wavelength of waves transmitted by an AM radio
4 answers
asked by
steph
608 views
A. What is the frequency of a photon with a wavelength of 8.35 multiplied by 10-5 m? (The speed of light in a vacuum is 2.998
3 answers
asked by
NeedHelp!
480 views
As wavelengths decreases, energy _____.
1 answer
asked by
Cristina
372 views
how does the color of the light bulbs determine the amount of energy of the electromagnetic waves?
3 answers
asked by
Diamond
428 views
Light, XRays, and radio waves contain _____________ with different amounts of energy.
1 answer
asked by
David
159 views
Ok I need some help of course. Please help me! What are the kinds of Eletromagnetic waves? How many are there? Ultra violet,
1 answer
asked by
sjsjfs
715 views
the wavelength of an electromagnetic wave is ____________.
a. directly proportional to its frequency b.inversely proportional to
1 answer
asked by
layla
721 views
What is the wavelength of light (nm) having a frequency of 1.82 x 1014 Hz?
3 answers
asked by
andy
1,063 views
We know that the source of a sound wave is a vibrating object. What is the source of an electromagnetic wave?
2 answers
asked by
tina
526 views
What is wave length
3 answers
asked by
Emeka
383 views
Posted by Mary on Monday, November 5, 2007 at 8:21pm.
Suppose that the electric field of an electromagnetic wave decreases in
2 answers
asked by
Mary
537 views
Determine the frequency of a microwave 6.0 cm in length.( A microwave is an electromagnetic wave.It travels through space at a
6 answers
asked by
Unknown
4,479 views
An electromagnetic wave in a vacuum traveling in the +x direction generated by a variable source initially has a wavelength of
3 answers
asked by
Faith
3,164 views
In electromagnetic waves, frequency is inversely proportional to
Fast Please. I do not understand this
12 answers
asked by
Anonymous
2,645 views
A TV satellite broadcasts at a frequency of 5000 MHz, (1 MHz = 1 million Hertz). What is the wavelength of this radiation?
a.
3 answers
asked by
Xenon
2,493 views
Which of the following is true about all electromagnetic waves in a vacuum?
A. they all carry the same energy B. they all travel
3 answers
asked by
Kel
2,447 views
1)Which of the following statements about X rays is incorrect?
A)x rays darken photographic plates B)x rays can penetrate soft
4 answers
asked by
Jon
2,146 views
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Parent Categories (20)
Electromagnetism
Energy
Light and Optics
Optics
Physical Science
Physical Sciences
Physics
Physics and Energy
Physics of Waves
Quantum Mechanics
Quantum Physics
Science
Science and Technology
Science/Physics
Science/Technology
Types of Waves
Waves
Waves and frequencies
Waves and Optics
Waves and Oscillations