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Worksheets5，14 G9 quiz
Total questions: 24
Worksheet time: 20mins
What is the correct order of the visible light spectrum starting with the longer wavelength?
Red, yellow, orange, blue, violet, indigo
Violet, indigo, blue, green, yellow, orange, red
Green, yellow, blue, indigo, red, orange
Red, orange, yellow, green, blue, indigo, violet
Which color has the longest wavelength?
Yellow
Red
Green
Purple
Quasars are extremely distant celestial bodies. Investigators using a special telescope determined that a certain quasar was emitting waves with a frequency of 1.41 x 109 Hz. Using the electromagnetic spectrum provided, investigators were most likely using a telescope that detects -
microwaves
visible light
x-rays
gamma rays
Scientists observed a celestial object emitting a wavelength of 3 x 10-10m. What type of telescope did the scientists have to use to view this?
Radio wave
Infrared ray
X-ray
Gamma Ray
The wavelength of an infrared ray is --
10-5 m
1012 Hz
105 m
10-12 Hz
Scientists observed a celestial object emitting a wavelength of 3 x 103m. What type of telescope did the scientists have to use to view this?
Radio wave
Infrared ray
X-ray
Gamma Ray
The distance between E and H is called
Crest
Wavelength
Amplitude
Frequency
Which electromagnetic waves are used in ovens and cell phone communications?
microwaves
infrared rays
gamma rays
ultraviolet rays
A wave with a large wavelength will have a ______ frequency and _____ energy
high, low
low, high
high, high
low, low
Select the correct order of waves on the EMS from the longest wavelength to the shortest wavelength
Radio, Micro, Infra, Visible, Ultra, X-ray, Gamma
Gamma, X-ray, Ultra, Vis, Infra, Micro, Radio
Vis, Micro, Infra, Ultra, X-ray, Gamma, Radio
Micro, Radio, Vis, Infra, Ultra, X-ray, Gamma
Electromagnetic waves that help your body produce vitamin D are called?
Ultraviolet rays
X-rays
Radio waves
Gamma rays
How are electromagnetic waves different from other waves?
They have very short wavelengths
They transmit energy instead of matter
They can travel through empty space
They can change direction by reflection
The entire range of electromagnetic waves, from radio waves to gamma rays, is called the (a) spectrum.（电磁波光谱）
The (a) of a wave is the number of complete wave cycles passing a point each second.
A wave’s (a) is the distance between two consecutive crests or troughs.
The maximum displacement of particles from their normal position in a wave is known as the (a) .
The (a) of light is approximately 3×10^8 m/s in a vacuum and applies to all electromagnetic waves.
(a) wave is a type of electromagnetic radiation with wavelengths longer than visible light and is used in remote controls and thermal imaging. （无线电波）
(a) is a form of radiation with slightly shorter wavelengths than visible light and is responsible for causing sunburn. （紫外线）
(a) are a type of high-energy electromagnetic radiation used in medical imaging to see inside the body.
(a) ray are the highest-energy waves in the electromagnetic spectrum and are often produced by radioactive substances or cosmic events.
