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physics based quiz (because we've all done physics [partially], but not everyone has finished chem yet) not directly based on halfyearlies, but they kinda are good to know ig
Q14, 15 are more like 1(λ) / (T) sec, be careful
*terms and conditions apply
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svalbardsstrand
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Last updated: April 1, 2025
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First submittedApril 1, 2025
Times taken8
Average score40.0%
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Hint
Answer
List (alphabetically) the three types of thermal energy.
conduction, convection, radiation
Which of the three listed above is [exclusively] transfer of heat between solids?
conduction
Which of the three listed above is [exclusively] transfer of heat between liquids and/or gases?
convection
Sound energy is a type of _____ energy
kinetic
What is energy measured in?
joules
A sound wave is a _________ wave, which occurs on a line.
longitudinal
After particles hit each other, they form _________ and __________.
compressions, rarefactions
In where are particles clustered together? (one of the two answers above)
compressions
In where are particles spread apart? (one of the two answers above)
rarefactions
Lambda, λ for sound energy is used to measure the ________ between two _________.
distance, compressions/distance, rarefactions
What is λ measured in? (general SI unit)
metres/meters
The _____, T, of the soundwave shows the time it takes to travel a distance of λ.
period
What is T measured in?
seconds
Frequency, f, is given by the formula
s^-1
This formula is the formula for (another thing that isn't frequency, please)
hertz/hz
Light waves, unlike sound energy, is a ________ wave.
transverse
This is because light is an __________ wave, which contains 2 components that oscillate.
electromagnetic/elektromagnetik
theta(i) = theta(r). This is true for all ________ rays
reflected.
n = c/v. n is the _______ ___ of a substance.
refractive index
Don't worry, I'm not going to make you write the Law of _______. here it is. (n1)*sin(θi)= (n2)*sin(θr).
Refraction/Snell
But I am sure as polar baer going to give you some questions! What is the refractive index of air? (2.d.p) (include extra zeros)
1.00
What is the refractive index of water? (2.d.p) (include extra zeros)
1.33
This means that light is travelling at _______ms^-1. Speed of light in a vacuum is 299,492,758 ms^-1. Please round to the nearest million.
225000000
If light travels in a substance (n=1.0) into water at 30 degrees, what angle can you expect the reflected ray to be? 1.d.p
30.0
If light travels in a substance (n=1.1) into air at 30 degrees, what angle can you expect the refracted ray to be? 1.d.p
33.4
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