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問題一覧
1
This band under microwave is used for GPS
L-bands
2
Enumerate the types of EM Radiation
Radio Waves, Microwaves, Infrared, Visible Light, Ultraviolet Waves, X-rays, Gamma Rays
3
This region in the EM spectrum have the longest wavelength and the lowest frequency.
Radio Waves
4
Found between microwaves and visible light.
Infrared Wave
5
What are the three types of ultraviolet waves from the sun.
UV A, UV B, UV C
6
This contains the highest energy of all the types of radiation in the EM spectrum.
Gamma Rays
7
These are used for long-distance communications.
Low Frequency Waves
8
This have-sub-bands with different wavelengths and uses, such as L, S, C, and K.
Microwaves
9
This exposure happens when you get high amounts of radiation exposure over a very short period of time, such as a person undergoing cancer treatment.
Acute Exposure
10
These are transverse oscillating waves composed of electric and magnetic fields.
Electromagnetic Wave
11
These are used international broadcasting stations.
High Frequency Waves
12
This radiation include X-rays and gamma rays.
Ionizing Radiation
13
Enumerate the bands of Radio Waves
Extremely Low Frequency Waves, Very Low Frequency Waves, Low Frequency Waves, Medium Frequency Waves, High Frequency Waves, Very High Frequency Waves, Ultra High Frequency Waves
14
This wave is used for remote sensing.
Infrared Wave
15
This exposure occurs when a person is exposed to a small amount of radiation over a long period of time.
Chronic Exposure
16
This wave can be seen between UV Waves and Gamma Rays.
X-ray
17
These are form of electromagnetic radiation with very high energy, which can cause significant changes at the cellular level.
Gamma Rays
18
These waves are used for military communications with submarines.
Very Low Frequency Waves
19
Where can we found the range of all types of EM radiation.
Electromagnetic Spectrum
20
This waves have a wavelengths ranging from 1 cm to 1 km, with frequencies ranging from 30 gigahertz (GHz) to 300 kilohertz (kHz).
Radio Waves
21
A disturbance in the electric and magnetic field that propagates through space, transferring energy from one point to another.
Electromagnetic Wave
22
What are the two types of Extremely Low Frequency Waves?
Naturally Occuring Elf, Artificial Elf
23
This radiation includes microwaves, radio waves IR, Visible Light, and UV
Non-ionizing Radiation
24
When this wave is emitted, certain patterns of lines and colors appear.
Visible Light
25
These are used in digital audio broadcasting and mobile radio systems.
Very High Frequency Waves
26
This type of waves can be naturally generated in the atmosphere.
Radio Waves
27
This band is also called as the myriameter band.
Very Low Frequency Waves
28
This wave is used for thermal imaging
Infrared Wave
29
In this wave, the electric field is perpendicular to the magnetic field.
Electromagnetic Wave
30
This can be used to examine most areas of the body.
X-ray
31
These signals are transmitted by an antenna to a satellite which amplifies and re-transmits the signal to an antenna in other parts of the world.
Microwave Signals
32
Has a frequency ranging from 300 MHz to 3 GHz and wavelengths ranging from 10 cm to 1 m.
Ultra High Frequency Waves
33
They're mainly used to look at the bones and joints, although they're sometimes used to detect problems affecting soft tissue, such as internal organs.
X-ray
34
This is the only part of the EM Spectrum that can be seen by the unaided eye
Visible Light
35
Which has the higher frequency, the Microwave or the Infrared?
Infrared Wave
36
This region is between the UV and the gamma regions.
X-ray
37
He first recorded the thermal measurement at the far end of the red spectrum.
William Herschell
38
These waves are applied in so many ways from texting to cooking, and to communications to the rest of the world.
Microwaves
39
They are commonly used for amplitude modulation (AM) broadcasting and air traffic control.
Medium Frequency Waves
40
This type of wave produced by objects with very high energy.
Gamma Rays