WorksheetsUnity 2. Module 2: Electromagnetic spectrum A
Total questions: 25
Worksheet time: 13mins
How many types of EM radiation that are invisible to human eye?
7
5
3
6
Which among the following has the strongest penetration power?
Gamma Rays
Infrared
Microwave
X Rays
Which among the ff. is the right order for your Electromagnetic spectrum?
Radio waves, Gamma rays, UV, Infrared, Microwaves, Color spectrum and X rays
Radio waves, Microwaves, Infrared, Visible light, Ultraviolet, X rays and Gamma rays.
Radio waves, Microwaves, Ultraviolet, Visible light, Infrared, X rays and Gamma rays.
None of the above
Which among the following is not true about Infrared?
It is detected as heat
It is detected as thermal energy
It is used in ovens to heat foods
Principally produced by the sun
Which among the ff. best describes electromagnetic radiation?
Produced by the change of motion or configuration among charged particles.
Highly penetrating form of energy
Have wavelengths ranging from Armstrong up to many meters
Usually produced from celestial or astronomical events such as Gamma Ray Burst.
The change of motion among outer electrons will result to the generation of what type of electromagnetic radiation?
Gamma Rays
X rays
Both gamma rays and x rays
Light and Radio waves
The change of configuration in the atomic nucleus would lead to the emission of what radiation?
Infrared radiation
Light radiation
X rays
Gamma Rays
After the carrier frequency is separated from the sound message, what will happen next?
Intensify the sound message
Produce sound message
Intensify carrier frequency
Produce carrier frequency
What is the quantum of radiation?
Photons
Atom
Cells
Photon
The following are sensitive towards infrared, EXCEPT?
Pythons
Boas
Humans
None
Who's the person behind the discovery of Infrared?
Paul Villard
John Infrared
Roentgen
William Herschel
Which among the ff. words best describes the electromagnetic radiation?
Colorful
Invisible
Energy
Unlimited
Which among the ff. best explains why light and electromagnetic radiation can travel interplanetary?
They travel faster in vacuum
No medium of transmission is needed
They are energetic
They have both magnetic and electric properties
Which among the following is best used among soldiers for night vision goggles?
Infrared
Ultraviolet
Radio waves
Microwaves
What transducer will you use in sending image/picture messages?
Photoelectric device
Microphone
Lens
CCTV
The sun is best known for producing what?
Light
UV
Infrared
All of the above
It is an electron tube that uses electricity and magnetism to generate microwaves. What is it?
Klystorn
Magnetron
Klystron
Tungsten
Who proposed the term gamma rays?
Paul Villard
Ernest Rutherford
Albert Einstein
Samuel F. B. Morse
How the black holes are related to the topic of electromagnetic radiation?
Source of destruction
It can cause time travel
It captures all light rays
Source of gamma rays
Which among the ff. can be used for GPS?
Microwaves
Infrared
X rays
Radio waves
How can a prism separate a composite light into different colors?
Refraction
Refraction and reflection
Reflection
Filtration
What is beyond the violet portion in the color spectrum?
Infraviolet
Infrared
Ultrared
Ultraviolet
The change of atomic nucleus configuration will generate what type of radiation?
Alpha particles
X rays
Gamma rays
Beta particles
The change of motion among the outer electrons will produce what type of radiation?
Radio waves
X rays
Gamma rays
Alpha particles
Paul Villard discovered gamma rays from investigating what chemical element?
Mercury
Radium
Tungsten
Rutherfordium
