Unit 10: Question Preview (ID: 19045)


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What wave term is the distance between two crests?
a) Amplitude
b) Frequency
c) Period
d) Wavelength

What wave term is given to the number of cycles per second?
a) Amplitude
b) Frequency
c) Period
d) Wavelength

Describe the frequency of a gamma wave.
a) Low frequency
b) Medium frequency
c) High frequency
d)

Describe the energy of a gamma wave.
a) Low energy
b) Medium energy
c) High energy
d)

Which wave must transmit through a medium?
a) Electromagnetic waves
b) Mechanical waves
c)
d)

Which wave can transmit through a vacuum?
a) Electromagnetic waves
b) Mechanical waves
c)
d)

What large body in our Solar System emits a ton of electromagnetic waves?
a) Jupiter
b) Earth
c) Moon
d) Sun

What is the energy process (reaction) in the Sun?
a) Nuclear Fusion
b) Nuclear Fission
c)
d)

What is the energy process (reaction) in a nuclear power plant?
a) Nuclear Fusion
b) Nuclear Fission
c)
d)

What part of a star's lifecycle gives off the most electromagnetic radiation?
a) Blackhole
b) Supernova
c) Neutron Star
d) White Dwarf

What is the critical element to achieve a supernova?
a) Hydrogen (H)
b) Helium (He)
c) Iron (Fe)
d) Oxygen (O)

How can you decrease potential energy
a) Lower the height
b) Lower the gravitational field
c) Lower the mass
d) All of the above

How can you increase kinetic energy?
a) Increase mass
b) Increase velocity
c) All of the above
d)

What is kinetic energy when velocity is 0 m/s?
a) KE greater than 0
b) KE less than 0
c) KE equals 0
d)

Calculate efficiency when work output is 4 J and work input is 10 J.
a) 20%
b) 30%
c) 40%
d) 50%

Which form of energy represents fuel burning through a reaction?
a) Kinetic energy
b) Potential energy
c) Chemical energy
d) Thermal energy

What is moving energy?
a) Kinetic energy
b) Potential energy
c) Chemical energy
d) Thermal energy

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