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Electromagnetic Waves
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Questions (645)
E=hc/lambda
How would I rearrange this to be able to solve for the other variables (c or lambda)??????? Please and thank you.
4 answers
asked by
Corin
1,888 views
Medical x rays are taken with electromagnetic waves having a wavelength around .1 nm. What are the frequency, period, and wave
5 answers
asked by
J
4,556 views
Radio waves travel at the speed of light which is 3.00 x 108 m/s. How many minutes does it take for a radio message to reach
4 answers
asked by
ashley
12,113 views
(a) Two microwave frequencies are authorized for use in microwave ovens: 900 and 2560 MHz. Calculate the wavelength of each.
1 cm
6 answers
asked by
Amelia
6,284 views
a radio station emits radiation at a wavelength of 2.90 m. what is the station's frequenct in megahertz?
4 answers
asked by
Raynique
1,659 views
What is the wavelength in meters of radio waves produced by a radio station with a frequency of 1400 kHz?
Is it 214.3 m?
3 answers
asked by
Mary
1,609 views
a radio station broadcasts at a frequency of 590,000 . What is the wavelength of the radio waves?
4 answers
asked by
Shohanur
2,793 views
1040 kHz (typical frequency for AM radio broadcasting)
Express your answer in meters using four significant figures.
5 answers
asked by
rose
3,188 views
Compute the wavelength of an X-ray with a frequency of 6.0 1018 Hz.
4 answers
asked by
Karissa
1,645 views
For a photon with = 730 nm, determine its speed, frequency, energy, and color.
For frequency the formula would be v=c/lambda
4 answers
asked by
Feather
1,112 views
Which property is unique to electromagnetic
waves? (1 point) They can travel in a vacuum. They can shake structures on Earth.
4 answers
asked by
mck3nzir
266 views
Microwave ovens emit microwave energy with a wavelength of 13.0 cm. What is the energy of exactly one photon of this microwave
4 answers
asked by
Laura
2,907 views
What is the frequency of a photon of blue light, if it has a wavelength of 440 nm?
3 answers
asked by
mel
1,629 views
Calculate the wavelength of the yellow light emitted by a Sodium Lamp if the frequency is 5.10 X 10^14 Hz.
Formula: Wavelenght
4 answers
asked by
Stephanie
3,832 views
A microwave oven operates at 2.80GHz . What is the wavelength of the radiation produced by this appliance?
4 answers
asked by
Amy
2,643 views
The electromagnetic wave that delivers a cellular phone call to a car has a magnetic field with an rms value of 1.90 10-10 T.
4 answers
asked by
sarah
1,386 views
An AM radio station has a wavelength of 300 m. find this station’s frequency?
4 answers
asked by
seanmarch58
1,046 views
An AM station broadcasts rock music at "950 on your radio dial" Units for AM frequencies are given in kilhertz(kHz). Find the
4 answers
asked by
Grace
3,386 views
A speeding car is pulling away from a police car. The police car is moving at 30 m/s. The radar gun in the police car emits an
4 answers
asked by
Liz
1,290 views
Microwaves have frequencies in the range 10^9to 10^12/s (cycles per second) equivalent to between 1 gigahertz and 1 terahertz.
4 answers
asked by
Lauren
1,323 views
Radio signals travel at a rate of 3*10^8 meters per second. How many seconds would it take for a radio signal to travel from a
4 answers
asked by
Kaai97
3,898 views
A 2.10 m diameter university communications satellite dish receives TV signals that have a maximum electric field strength (for
4 answers
asked by
taryn
941 views
Consider an antenna transmitting a power of 5W at 900MHz. Calculate the received power at a distance of 2km if propagation is
5 answers
asked by
Nathan
1,469 views
An FM radio station broadcasts at 97.4 MHz. Calculate the wavelength of the corresponding radio waves.
5 answers
asked by
sarah
1,950 views
In a dentist's office, an X-ray of a tooth is taken using X-rays that have a frequency of 7.01 1018 Hz. What is the wavelength
4 answers
asked by
Anonymous
6,040 views
The speed of all electromagnetic waves in
empty space is 3.00 × 108 m/s. What is the wavelength of visible light emitted at 7.2
3 answers
asked by
megan
3,121 views
Calculate the frequency of a photon of orange light whose wavelength is 6.2*10^5m. (meters)
4 answers
asked by
rob
1,243 views
What is the wavelength and energy of a photon with the frequency of 3.93x10^11Hz
3 answers
asked by
Charles
356 views
QUESTION---Which waves have wavelengths longer than those of visible light?
MY ANSWER--Infrared light, microwaves and radio waves
4 answers
asked by
cookiemonster
2,128 views
In which unit is the wavelength of an electromagnetic wave commonly measured?
A. J B. nm C. s–1 D. kg All most positive it is b
2 answers
asked by
Morgan
532 views
Microwave ovens emit microwave energy with a wavelength of 12.5 cm. What is the energy of exactly one photon of this microwave
4 answers
asked by
Kiana
3,622 views
The radio station WBRU broadcasts in the radio spectrum at 95.5 MHz. What is the wavelength of this electromagnetic wave in
4 answers
asked by
Alex
1,098 views
A radio wave has a frequency of 3.6 x 10^10 Hz. What is the energy (in J) of one photon of this radiation?
3 answers
asked by
Anonymous
673 views
Gamma-ray bursters are objects in the universe that emit pulses of gamma rays with
high energies. The frequency of the most
4 answers
asked by
Angel
3,861 views
Which property is unique to electromagnetic waves?
A.) They can shake structures on Earth. B.) They can be controlled by the pull
3 answers
asked by
goodog
371 views
What is the frequency of a citizen's band(CB)radio which has a wavelength of 11.5meters?
3 answers
asked by
Micheal Fabia
669 views
Which of the following statements best describes the relationship between wavelength and frequency
2 answers
asked by
Amy
140 views
Which property is unique to electromagnetic waves?
They can be controlled by the pull of gravity. They can travel on the surface
2 answers
asked by
abfrmk3
144 views
Which of the following everyday items uses radio waves? (1 point)
Responses A.Cameras B.Lights C.Cell phones D.Toaster Ovens
2 answers
asked by
fybgrvef
164 views
The microwave radiation left over from the Big Bang explosion of the universe has an average energy density of 3.81 × 10–14
3 answers
asked by
Sana
397 views
The frequency of an electromagnetic wave varies inversely with the wavelength. If a wavelength of 200 meters has a frequency of
3 answers
asked by
Keonn'a
1,135 views
You are approaching a stoplight. If the frequency of the light being emitted is approximately 520 THz, what was the wavelength
3 answers
asked by
Anon
1,253 views
Given a planar electromagnetic wave in vacuum whose B-field is denoted by Bx = 0, Bz = 0, B_y = 66.7 × ?10?^(-8) sin 4?p?10?^6
2 answers
asked by
pankaj
548 views
If you have light that has a frequency of 2.88 x 10 to -9 power Hz, what is the wavelength?
I don't know how to do this and what
3 answers
asked by
Jessica
566 views
Red light has a wavelength of 700 nm and a frequency of 4.3 x 1014 s-1. What is the energy of a single photon of red light?
A.
4 answers
asked by
Morgan
1,861 views
Hospital X-ray generators emit X rays with wavelength of about 15.0 nanometers (nm), where 1 nm=10-9m. What is the energy of a
3 answers
asked by
Maria
1,289 views
What is the frequency of an EM wave emitted most strongly by a
glowing element on a stove with temperature 1500 K?
3 answers
asked by
Frequency
752 views
what is the energy of a photon with the frequency of 3.5 x 10 delta 24 hz?
3 answers
asked by
zahra
661 views
We can reasonably model a 75 W incandescent light bulb as a sphere 6.0 cm in diameter. Typically, only about 5% of the energy
3 answers
asked by
Brittany
1,963 views
There is a pulse returns 3.0x10^-4 seconds after it is sent out, having been reflected by an object. What is needed is the
3 answers
asked by
manny
1,161 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