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Electromagnetic Waves
Page 3
Questions (645)
A microwave oven operates at 2.40 GHz . What is the wavelength of the radiation produced by this appliance?
3 answers
asked by
Rose
1,884 views
Which is one use for infrared waves
3 answers
asked anonymously
112 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
236 views
Which type of wave is often perceived as heat, and used in thermal cameras and television remotes?
A.microwave B.infrared C.radio
3 answers
asked by
fybgrvef
110 views
Which property is you need to electromagnetic wave
3 answers
asked by
Amy
69 views
Which best explains why high frequency electromagnetic waves are more likely to cause harm to living things
A) as a waves
4 answers
asked by
IM CONFUSED ðŸ˜
987 views
An electromagnetic wave strikes a 1.97-cm2 section of wall perpendicularly. The rms value of the wave's magnetic field is
3 answers
asked by
Sana
363 views
What is the speed of an electromagnetic wave that has a frequency of 7.8 x 10^6 Hz?
1 answer
asked by
Bob
302 views
Which statement correctly compares radio waves and microwaves?
Radio waves have shorter wavelengths and higher frequencies than
3 answers
asked by
Amy
1,579 views
An american system of communication is based on the radio frequency of 76 Hz. Compute the wavelength of theses waves and compare
3 answers
asked by
enrique
476 views
2. Why is it important to protect yourself from certain electromagnetic waves? What are some ways people protect themselves from
3 answers
asked by
victoria
568 views
An electromagnetic wave has a frequency of 2.04 x 10^12 Hz, What is the wavelength of this EM wave?
3 answers
asked by
Anonymous
819 views
Sources and uses for the following:
Radio waves Microwaves Infrared Waves Visible Light Waves Ultraviolet Waves X-Rays Gamma rays
3 answers
asked by
Unknown
685 views
A certain type of laser emits light that has a frequency of 4.7 1014 Hz. The light, however, occurs as a series of short pulses,
3 answers
asked by
Anonymous
1,124 views
Electromagnetic waves can form standing waves. In a standing wave pattern formed from microwaves, the distance between a node
3 answers
asked by
Alex
826 views
What is the frequency of X-rays of 10 nm wavelength?
6 x 10^16 Hz 3 x 10^16 Hz 3.00 Hz 6 x 10^8 Hz
4 answers
asked by
Jiskha
437 views
The wavelength of the electromagnetic waves is 200 nm. Which of following regions does it belong to?
visible light region ultra
3 answers
asked by
Anonymous
1,467 views
What is the energy of a photon corresponding to radio waves of frequency 1.465 106 /s?
3 answers
asked by
abd
1,059 views
What is the wavelength of a photon that has an energy of E = 4.01×10^-19J ?
3 answers
asked by
Larry
867 views
What is the wavelength of a radar signal that
has a frequency of 30 GHz? The speed of light is 3 × 10^8 m/s. Answer in units of
3 answers
asked by
angel
996 views
If the distance from the Earth to the moon is 3.84 x 105 km. How long would it take a radio wave with wavelength 413.8 m to
2 answers
asked by
Lizzy
801 views
What is the frequency of the EM wave emitted most strongly by a glowing element on a stove with temperature 1,500 K
3 answers
asked by
Mateo
494 views
Which statement gives the relationship between the waves in the electric and magnetic fields in an electromagnetic wave?
a)they
3 answers
asked by
Anonymous
1,097 views
A certain radio wave has a frequency of 2.0*10^6 Hz. What is its wavelength?
c=3*10^8 m/s wavelength = 3*10^8 _______ 2*10^6 =
4 answers
asked by
physics
2,938 views
When light of a wavelength of 125 nm strikes a certain metal, electrons having a velocity of 8.2 x 10^5 m/s are
emitted from the
3 answers
asked by
Shaniquaa
828 views
Please help me break this problem down.. Thanks lot.
Light with a wavelength of 425 nm fell on a potassium surface, and electrons
3 answers
asked by
Olivia
741 views
At one time, television sets used "rabbit-ears" antennas. Such an antenna consists of a pair of metal rods. The length of each
3 answers
asked by
Mary
561 views
Is using a electromagnetic wave to investigate radio action show the transfer of heat energy in the absence of matter
2 answers
asked anonymously
34 views
Which type of electromagnetic wave has the greatest frequency?(1 point)
A visible light B radio waves C ultraviolet light D
2 answers
asked by
STOP
75 views
Which type of electromagnetic wave has the greatest wavelength?(1 point)
A infrared light B x-rays C microwaves D visible light
2 answers
asked by
STOP
72 views
Which type of electromagnetic wave has the most energy?(1 point)
A x-rays B visible light C gamma rays D radio waves Which type
2 answers
asked by
STOP
161 views
Suppose a popular FM radio station broadcast radio waves with a frequency of 104 MHZ calculate the wavelength of these radio
2 answers
asked anonymously
61 views
Which type of wave can travel through a vacuum (empty space)
2 answers
asked by
Keyzia Boone
42 views
In a vacuum, all electromagnetic waves have the same
: Responses wavelength. wavelength. speed. speed. amplitude. amplitude.
1 answer
asked by
Anonymous ;)
82 views
Airport security uses electromagnetic waves to see items inside of luggage without having to open the bags. Which type of
1 answer
asked by
Anonymous ;)
171 views
Which of the following statements best describes the relationship between wavelength and frequency?
a The longer the wavelength,
1 answer
asked by
Anonymous ;)
111 views
Which type of electromagnetic waves would be the best to use in an object designed to cook food?
a gamma waves b microwaves c
1 answer
asked by
Anonymous ;)
106 views
Incase you don't know the answers:
1: they have short wavelengths that can penetrate materials and their higher energy 2: the
1 answer
asked by
KaleighTheBaby
76 views
Calculate the energy of a photon of radiation with a frequency of 8.5 x 10^14 Hz.
1 answer
asked by
adrian
76 views
what is the wavelength of the frequency is 2.45x10^9 Hz
1 answer
asked by
Grace
223 views
Which is the shortest electromagnetic wave and carries the largest amount of energy?
3 answers
asked by
Isaac
232 views
relationship between attenuation and the propagation distance of a signal?
1 answer
asked by
Anonymous
374 views
The blackbody curve for a star named Beta is shown below. The most intense radiation for this star occurs in what spectral band?
1 answer
asked by
kylepalmer
288 views
What is the wavelength of a radio photon from an "AM" radio station that broadcasts at 1160 kilohertz? What is its energy ?
2 answers
asked by
Yazmin
1,100 views
in the figure a rario transmitting station operating at a frequency of 100 MHz has two identical coherent antennas. Antenna A is
2 answers
asked by
Maria
531 views
#1
which electromagnetic waves have the longest wavelengths a:radio** b:infrared c:gamma B:ultraviolet #2 what process describes
7 answers
asked by
help me please
1,822 views
An industrial laser is used to burn a hole through a piece of metal. The average intensity of the light is = 4.84 × 109 W/m2.
1 answer
asked by
help
745 views
A small dipole of length l with an input current Io radiates an electromagnetic wave that is TEM respect r with an electric
1 answer
asked by
Waves - AEC
467 views
How does the wavelength and frequency change throughout the electromagnetic spectrum?
* 5 points From gamma ray waves to radio
7 answers
asked by
ELA,Math,SS, and Sci question speedrunner
48 views
What is the frequency and wave number associated with light of wavelength equal to 6000 angstrum
3 answers
asked by
DAVID CHIRISWA
353 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