WAVES AND RADIATION

Foundation Level Test Two

1. What is the Critical Angle?
The angle at which all the light is reflected inside the glass
The angle at which the light is split by the glass
The angle at which the light is first refracted by the glass
The angle at which the light shines straight through the glass (not bent)
2. What do HIGH doses of Ultra-violet, X and Gamma radiation all have in common?
They all cause sunburn
They are all poisonous
They can kill normal cells
They can cause cancer
3. What is the term used to describe the action of radiation on neutral atoms or molecules?
Suspension
Radiation
Absorption
Ionisation
4. What is the mass of a Proton?
-1
0
1
2
5. What two particles are found in the nucleus of an atom?
Electrons and Protons
Neutrons and Protons
Electrons and Neutrons
Protons and Electrons
6. How do isotopes from the same element differ from each other?
They have different numbers of Protons
They have different numbers of Protons and Electrons
They have different numbers of Electrons
They have different numbers of Neutrons
7. What is the Mass (or Nucleon) number of an element?
The total number of Protons and Neutrons
The total number of Protons and Electrons
The total weight of the element
The total number of the Neutrons and Electrons
8. How are sounds produced?
When objects shake
When objects are stirred
When objects are hit
When objects vibrate
9. Complete the sentence. "The higher the frequency of a sound wave the..."
Louder the sound
Lower the pitch
Higher the pitch
Quieter the sound
10. What are ultrasonic waves?
Sounds that have a frequency above the normal hearing range for humans
Sounds that have a frequency below the normal hearing range of humans
Sounds that have a higher amplitude than humans can hear
Sounds that have a lower amplitude than humans can hear

     

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