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Electromagnetic Waves
Page 6
Questions (646)
8.
Which of the following is true about all electromagnetic waves in a vacuum? (1 point) A.They all carry the same energy. B.They
1 answer
asked by
jeje
710 views
Which has the longest wavelengths-light waves, x-rays, or radio waves?
2 answers
asked by
Anonymous
702 views
A sample of light has a wavelength of 2.61 x 10^-12 m. What is it's frequency?
A popular radio station broadcasts with a
3 answers
asked by
Sarah
711 views
Compare 940 on the AM dial to 94 on the FM dial. Which has the longer wavelength and by what factor is it larger?
2 answers
asked by
jenish
686 views
What is the wavelength in meters for light having a frequency of 2.40 X 10ˆ12 sˆ-1? What portion of the electromagnetic
2 answers
asked by
Kimberly
687 views
Taking the speed of the radio signal as 3×108 m/s, calculate the time taken for a signal to reach a GPS receiver from a GPS
2 answers
asked by
ahmad
684 views
What is the energy of a photon of yellow light with a frequency of 5.14 × 1014 Hz?
2 answers
asked by
Anonymous
682 views
Ok so I think I have this correct, but I'm not sure.
The question is: what is the frequency of green light, which has a
3 answers
asked by
Olivia
668 views
(a) If the wavelength of an electron is 5.37 ✕ 10−7 m, how fast is it moving?
(b) If the electron has a speed equal to 3.80
2 answers
asked by
Jake
629 views
The electromagnetic wave that delivers a cellular phone call to a car has a magnetic field with an rms value of 1.7 × 10-10 T.
1 answer
asked by
Anonymous
644 views
D. _____ has wavelengths between 0.7 and 0.4 millionths of a meter.
D1. What you see as different colors are electromagnetic
3 answers
asked by
Dillon
636 views
Microwaves travel at the speed of light, 3.00 × 108 m/s.
When the frequency of microwaves is 5.93× 109 Hz, what is their
1 answer
asked by
Axel
612 views
1)An electromagnetic wave is produced by:
an accelerating charged particle or changing magnetic fields. 2)Find the period of an
6 answers
asked by
Jon
621 views
which of the following describe radio waves. Along wavelength with high frequency, b long wave length with short frequencies or
2 answers
asked by
mazin
614 views
What is the critical angle of light traveling from benzene (n=1.501) into air?
40.05o 48.22o 41.78o 62.63o
2 answers
asked by
John
594 views
Gamma rays of photon energy 0.511 MeV are directed onto an aluminum target and are scattered in various directions by loosely
2 answers
asked by
Vanda
575 views
What is the wavelength of a photon having a frequency of 71.6 THz?
So I know 1 THz = 10 to the power of 15 Hz And c= 3 x 10 to
2 answers
asked by
Maria
547 views
An FM radio station of frequency 107.7MHz puts out a signal of 50,000 W.How many photons/s are emitted?
2 answers
asked by
Paul
553 views
In a given electromagnetic plane wave the maximumelectric field strength is 400
V/m. What is the maximum magnetic field strength?
2 answers
asked by
al
582 views
The frequency of the electromagnetic waves in a microwave oven is 2.2 GHz.
A large piece of cake is placed inside this microwave
2 answers
asked by
sara ..help plz someone
560 views
Hi! I need some help with science stuff. I cant figure out what the frequency is for radio waves, UV rays, Gamma and X-ray
2 answers
asked by
Hi..
527 views
Which l of the following correctly describes a gamma ray?
A- long wavelength and low frequency B- long wavelength and high
6 answers
asked by
Ms. I Need Help
540 views
Why can microwaves travel both through empty spaces and through air and food?
PLEASE HELP!! :)
2 answers
asked by
Bob
529 views
In electromagnetic waves, frequency is inversely proportional to
A. Amplitude. B. Wave speed. C. Wavelength. D. ReflectioN. Is
2 answers
asked by
Callie
536 views
3Mhz = 2db Attenuation in 1cm.
What is attenuation of 6 MHz, 0.5 of same tissue? Again,(sorry, but thank you) I know the answer
2 answers
asked by
Connie
557 views
4. A microwave oven uses an electronic device called a magnetron to produce microwaves. Microwaves
commonly used in ovens have a
3 answers
asked by
check my answer please
538 views
The speed of all electromagnetic waves in empty space is 3.00 × 108 m/s. What isthe wavelengthofradio waves emit- ted at 97.9
3 answers
asked by
annie
544 views
1)An electromagnetic wave has a wavelength of 6.2 x 10^14 n. What is the frequency of the wave?
3.00 x 10^8 * 6.2 x 10^14 1.8 x
2 answers
asked by
Jon
536 views
Gamma rays of photon energy 0.511 MeV are directed onto an aluminum target and are scattered in various directions by loosely
2 answers
asked by
Vanda
537 views
A radio station is broadcasting at 90.7 mhz. compute for its wavelength in angstrom and energy in kilojoules.
1 answer
asked by
snez taba
510 views
What is the energy in joules and wavelength in meters of microwave radiation with = 2.4 ×1011s-1?
2 answers
asked by
nona
494 views
If a 6.0keV photon scatters from a fee proton at rest, what is the change in the photon's wavelength if the photon recoils at 90
1 answer
asked by
Sarah
501 views
Find the velocity of microwaves having wavelength of 0.75m and frequency 2.75X10^10hz
2 answers
asked by
+++++Tasha+++
492 views
The frequency of the electromagnetic waves in a microwave oven is 2.2 GHz.
A large piece of cake is placed inside this microwave
3 answers
asked by
Hailey
501 views
An experimenter finds that no photo-electrons are emitted from tungsten unless the wavelength of light is less than 270nm. Her
1 answer
asked by
Tom
493 views
A certain radio station broadcasts at 1430 kilohertz. This is the frequency of oscillation of electrons in the transmitting
2 answers
asked by
Alex
490 views
FM radio stations use radio waves with frequencies from 88.0 to 108 MHz to broadcast their signals. Assuming that the inductance
1 answer
asked by
Mary
492 views
When light passes from one medium to another then which of the following parameters may change?
Velocity, frequency, colour or
1 answer
asked by
Sukriti
475 views
The AM frequencies of a radio dial range from 550 kHz, and the FM frequencies range of 88.0 MHz to MHz. all of these radio waves
2 answers
asked by
Anonymous
497 views
What is traveling faster, an x-ray wave or a radio wave?
The question is so general, so how am I suppose to figure it out without
2 answers
asked by
Dave
475 views
Which property is unique to electromagnetic waves?
1. They can shake structures on Earth. 2. They can travel in a vacuum 3. They
1 answer
asked by
aaa
80 views
A beam of electromagnetic waves of a wavelength 3.0cm is directed normally at a grid of metal rods, parallel to each other and
1 answer
asked by
Edwin
490 views
GSM networks use microwaves of 20 cm in wavelength.
The energy carried by one trillion (1012) photons of this wavelength is
1 answer
asked by
mm.
495 views
What is the energy and wavelength of a photon with a frequency of 91.5 MHz?
1 answer
asked by
Kamila
473 views
Electrons are accelerated though a potential of 60V and then from a beam that hits two slits separated by 2.5x10^-8m. (a) What
1 answer
asked by
genius
458 views
Is there a shorter way to answer this question?
Radio waves ina vacuum travel a distance equal to seven times the circumference
1 answer
asked by
Anonymous
457 views
an electromagnetic wave has a frequency of 10 exponent 21hz. what type of electromagnetic wave has this frequency
1 answer
asked by
magdalene
442 views
calculate the frequency of light that has a wavelength of 103 nm
1 answer
asked by
adrian
433 views
Which type of electromagnetic energy has the shortest wavelength?(1 point)
Responses x-rays x-rays radio waves radio waves
3 answers
asked by
kenny
131 views
What wave is at a wavelength of 10-6?
What wave is at a wavelength of 10-6? gamma ray ultraviolet radio visible
1 answer
asked anonymously
24 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