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S5 Higher Physics ODU Flashcards | StudBud
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S5 Higher Physics ODU
S5 Higher Physics ODU
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Scottish Higher Our Dynamic Universe quiz
Flashcards
15 cards
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Practice quiz
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Questions
15
Answers
1
What are the units of momentum?
kgms
kg-1ms-1
kgms-1
kgms-2
2
What Electromagnetic Wave should be in the background of the Universe if the Big Bang happened?
Infrared
Radio
Microwave
Ultraviolet
3
What is Impulse equal to?
Change in kinetic energy
Change in velocity
Change in momentum
Change in potential energy
4
The redshift of a galaxy can be calculated by...
Dividing the rest wavelength by the observed wavelength
Dividing the observed wavelength by the rest wavelength
Dividing the change of wavelength by the rest wavelength
Dividing the speed of light by the speed of the galaxy
5
What are the units of Impulse?
Ns-1
Ns
kgms-2
kgms
6
Which of these statements are true?
The laws of Physics change when velocity > 3x107ms-1
The laws of Physics change depending on how fast you go
The laws of Physics are the same everywhere in the Universe
The laws of Physics change in across the Universe
7
Hubble's law relates the recessional velocity of a galaxy and...
The size of the galaxy
The speed of the galaxy
The age of the galaxy
The distance to the galaxy
8
Which of following shows increasing prefixes (i.e. smaller to bigger)
μ, M, k, G
k, G, M, T
n, M, k, m
η, μ, m, M
9
Which of the following supports the theory of the Expanding Universe?
The Big bang
Redshift of Galaxies
Dark matter and energy
Blueshift of Galaxies
10
What are the units of displacement?
m
m2
ms-2
ms-1
11
Which of the following contains 2 vector quantities and 1 scalar?
Velocity, Momentum, Weight
Work done, Velocity, Kinetic Energy
Speed, Kinetic Energy, Momentum
Weight, Momentum, Kinetic Energy
12
Which best describes projectile motion?
Constant horiz. velocity & constant vert. velocity
Constant horiz. acceleration & constant vert. acceleration
Constant vert. acceleration & constant horiz. velocity
Constant vert. velocity & constant horiz. acceleration
13
The Doppler Effect is the apparent change in frequency when there is relative motion between...
Observer and Source
Source and Speed
Frequency and Speed
Observer and Frequency
14
If a galaxy is moving towards us we would...
See a longer wavelength light
See a higher frequency light
Hear a higher frequency sound
See a lower frequency light
15
What is conserved during an elastic collision?
Momentum and Potential Energy
Momentum and Kinetic Energy
Momentum only
Kinetic Energy only
