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Higher Physics ODU Flashcards | StudBud
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Higher Physics ODU
Higher Physics ODU
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Scottish Higher Our Dynamic Universe quiz
Flashcards
18 cards
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Questions
18
Answers
1
What are the units of Impulse?
kgms
kgms-2
Ns-1
Ns
2
What are the units of momentum?
kgms
kgms-2
kgms-1
kg-1ms-1
3
What Electromagnetic Wave should be in the background of the Universe if the Big Bang happened?
Ultraviolet
Radio
Infrared
Microwave
4
The Doppler Effect is the apparent change in frequency when there is relative motion between...
Frequency and Speed
Source and Speed
Observer and Source
Observer and Frequency
5
When a bad wee boy drops a bag down the stairs, how can you calculate the bags final velocity?
v=u+√2as
v2=u2+2as2
v=2gh
v=√2gh
6
Which of the following supports the theory of the Expanding Universe?
The Big bang
Redshift of Galaxies
Blueshift of Galaxies
Dark matter and energy
7
What is conserved during an elastic collision?
Momentum only
Momentum and Kinetic Energy
Momentum and Potential Energy
Kinetic Energy only
8
Which best describes projectile motion?
Constant horiz. velocity & constant vert. velocity
Constant vert. velocity & constant horiz. acceleration
Constant vert. acceleration & constant horiz. velocity
Constant horiz. acceleration & constant vert. acceleration
9
A hotter star, compared to a cooler star, will have...
A longer lifetime
A shorter peak wavelength
A higher peak wavelength
A smaller mass
10
What is Impulse equal to?
Change in potential energy
Change in velocity
Change in momentum
Change in kinetic energy
11
If a galaxy is moving towards us we would...
See a longer wavelength light
Hear a higher frequency sound
See a lower frequency light
See a higher frequency light
12
Which of the following contains 2 vector quantities and 1 scalar?
Weight, Momentum, Kinetic Energy
Velocity, Momentum, Weight
Speed, Kinetic Energy, Momentum
Work done, Velocity, Kinetic Energy
13
The redshift of a galaxy can be calculated by...
Dividing the change of wavelength by the rest wavelength
Dividing the observed wavelength by the rest wavelength
Dividing the rest wavelength by the observed wavelength
Dividing the speed of light by the speed of the galaxy
14
Hubble's law relates the recessional velocity of a galaxy and...
The age of the galaxy
The speed of the galaxy
The size of the galaxy
The distance to the galaxy
15
What are the units of displacement?
ms-2
m2
ms-1
m
16
When a mass (m) is on a slope, what is the component of the weight acting down the slope?
mcosθ
mgsinθ
mgcosθ
msinθ
17
Which of these statements are true?
The laws of Physics change depending on how fast you go
The laws of Physics change in across the Universe
The laws of Physics are the same everywhere in the Universe
The laws of Physics change when velocity > 3x107ms-1
18
Which of following shows increasing prefixes (i.e. smaller to bigger)
k, G, M, T
η, μ, m, M
n, M, k, m
μ, M, k, G
