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Electromagnetic Waves
Page 5
Questions (645)
An electromagnetic wave has a wavelength of 6.2 x 10^14 m. What is the frequency of the wave?
A. 2.0 x 10^6 Hz B. 4.8 x 10^-7 Hz
4 answers
asked by
sophie
1,675 views
The wavelength of an electromagnetic wave is measured to be 600 m. What is the frequency of the wave?
3 answers
asked by
Mateo
1,594 views
Microwaves travel at the speed of light, 3.00×
108 m/s. When the frequency of microwaves is 3.67× 109 Hz, what is their
3 answers
asked by
Angel
1,567 views
A 2.00 ✕ 106 Hz radio signal is sent a distance of 7.30 ✕ 1010 meters from Earth to a spaceship
3 answers
asked by
Daisy
1,534 views
light is an electromagnetic wave and travels at a speed of 3.00 x 108 m/s. the human eye is most sensitive to yellow-green light
4 answers
asked by
Joe
1,501 views
A laser emits 1.42 1018 photons per second in a beam of light that has a diameter of 1.82 mm and a wavelength of 524.0 nm.
4 answers
asked by
Anonymous
1,449 views
5.02x10 20 HZ
1 answer
asked by
Lilly
9 views
Radio waves transmitted through space at 3.00¡¿10 8 m/s by the Voyager spacecraft have a wavelength of 0.120 m. What is their
3 answers
asked by
Jason
1,421 views
Light is an electromagnetic wave and travels at a speed of 3.00 108 m/s. The human eye is most sensitive to yellow-green light,
3 answers
asked by
Mary
1,467 views
calculate the wavelength of an electron m=9.11 x 10^-28 g moving at 3.66x10^6 m/s
3 answers
asked by
trinh lowery
1,400 views
The wavelength of the electromagnetic waves is 200 nm. Which of following regions does it belong to?
visible light region ultra
4 answers
asked by
help?
1,302 views
Microwave ovens emit microwave energy with a wavelength of 12.5 cm. What is the energy of exactly one photon of this microwave
2 answers
asked by
Myah
1,305 views
Microwaves are electromagnetic waves transmitted at a normal frequency of 2.45 GHz. Find the wavelength of the microwaves.
2 answers
asked by
Zach
1,149 views
What is the wavelength of radio waves of frequency 1400 kHz?
(a) 42.9 (b) 214 (c) 42.9 (d) 3*10^8
3 answers
asked by
Arielle
1,101 views
Your 1.1 cubic foot GE microwave oven generates 1100 watts of microwaves at a frequency of 2.45 GHz.
a. What is the wavelength of
2 answers
asked by
Shell
1,121 views
We encounter a large number of waves every day without realizing it. One such source is radio waves. A typical frequency for
2 answers
asked by
Maria
1,090 views
(1) If an electromagnetic wave has a period of 4.8 μs, what is the frequency and wavelength?
I know how to find the frequency
2 answers
asked by
april
1,078 views
A microwave oven operates at 2.40 GHz. What is the wavelength of the radiation produced by this appliance?
I got 1.25*10^-10.
3 answers
asked by
Katherine
1,056 views
please help me i don't know the answer.
What is the mathematical relationship between frequency and wavelength for an EM wave?
2 answers
asked by
Jessie
998 views
FM radio signals are electromagnetic waves transmitted between frequencies of 88 MHz and 107 MHz. Find the range of wavelengths
4 answers
asked by
Drew
1,028 views
The electric and magnetic fields of a plane electromagnetic wave are given by the formulas below, where and are both in meters
1 answer
asked by
P
1,005 views
We discussed in lectures that traveling Electromagnetic waves in vacuum of the form
E⃗ =E0xˆcos(kz−ωt),B⃗
78 answers
asked by
Anonymous
1,023 views
the number of waves of wavelength 6000 angstrom in a path of 2 cm in vacuum are
3 answers
asked by
Nisha
969 views
Radio waves carry a ____ from a station to your home
1 answer
asked by
Cortesha
984 views
What electromagnetic waves are dangerous for humans and why? I have microwave, xrays....can you help name a few
1 answer
asked by
Kent
948 views
How can an object be a specular reflector for some electromagnetic waves yet be diffuse for others?
2 answers
asked by
Betty
947 views
An EM wave has a wavelength of 620 nm.
What is its frequency? How would we classify it?
2 answers
asked by
Charlie
927 views
What is the energy of a photon with a wavelength of 4.55 10-6 m? (The speed of light in a vacuum is 2.998 108 m/s. Planck's
2 answers
asked by
mary
959 views
Radio waves are able to diffract readily around buildings, as anybody with a portable radio receiver can verify. However, light
3 answers
asked by
Anonymous
955 views
A radio station transmit radio waves with a frequency of 1,150 khz. Waht is the wavelengths of the radio waves?
2 answers
asked by
Anonymous
949 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.
2 answers
asked by
jay
943 views
(a) What is the shape of the radio waves from a satellite when they reach a dish antenna on the roof of a building? Explain. (b)
1 answer
asked by
Raju Singh
890 views
Light is an electromagnetic wave and travels at a speed of 3.00 × 10^8 m/s. The human eye is most sensitive to yellow-green
2 answers
asked by
leanne
913 views
What is the wavelength λ of the photon that has been released by−2.05×10−18 J?
2 answers
asked by
pari
898 views
Suppose that the electric field of an electromagnetic wave decreases in magnitude. Does the magnetic field increase, decrease,
3 answers
asked by
Mary
878 views
When light of wavelength 391 nm falls on a
potassium surface, electrons are emitted that have a maximum kinetic energy of 1.72
3 answers
asked by
Jason
899 views
What is the wavelength of a broadcast frequency of 992 kHz?
-a nuclear magnetic resonance spectrometer frequency of 400 MHz
2 answers
asked by
Danielle
883 views
Radio waves travel at the speed of light, which is 3.00 ✕ 108 m/s. What is the wavelength for a FM station broadcasting at
2 answers
asked by
Ginny
898 views
A 2.10 m diameter university communications satellite dish receives TV signals that have a maximum electric field strength (for
1 answer
asked by
taryn
845 views
blue-green light has a frequency of about 6X10 to the fourth Hz. use the relationship c=fl to find the wavelength of this light
2 answers
asked by
yusoph
856 views
Radio waves are electromagnetic waves that travel at a speed of 3.00 108 m/s, the speed of light. An AM radio station has an
3 answers
asked by
Alex
872 views
Electromagnetic waves are ___ electric and magnetic fields.
A. transverse B. constant C. oscillating D. parallel
2 answers
asked by
Liz
818 views
Microwaves, such as those used for radar and
to heat food in a microwave oven, have wavelengths greater than about 3 mm. What is
2 answers
asked by
C
818 views
4. A microwave oven uses an electronic device called a magnetron to produce microwaves. Microwaves
commonly used in ovens have a
4 answers
asked by
please
774 views
The frequency of a radio transmitter is 90 megahertz. What is its wavelength?
3 answers
asked by
Linda
710 views
Gamma rays (γ-rays) are high-energy photons. In a certain nuclear reaction, a γ-ray of energy 0.306 MeV (million
1 answer
asked by
Anonymous
724 views
FM radio signals are electromagnetic waves transmitted between frequencies of 88 MHz and 107 MHz. Find the range of wavelengths
2 answers
asked by
Justin
718 views
Could someone please explain to me in a simple way how FM, AM, and XM radio signals work? No one I ask seems to know.
Thanks for
1 answer
asked by
Jenna
718 views
AM radio signals are electromagnetic waves transmitted between frequencies of 550 kHz and 1600 kHz. Find the range of
2 answers
asked by
Jeff
708 views
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
708 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