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polar svalbardsstrandabaers - Statistics
General Stats
- This quiz has been taken 8 times
- The average score is 10 of 25
Answer Stats
| Hint | Answer | % Correct |
|---|---|---|
| Which of the three listed above is [exclusively] transfer of heat between solids? | conduction | 67%
|
| List (alphabetically) the three types of thermal energy. | conduction, convection, radiation | 67%
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| Which of the three listed above is [exclusively] transfer of heat between liquids and/or gases? | convection | 67%
|
| What is energy measured in? | joules | 67%
|
| 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 | 33%
|
| What is the refractive index of water? (2.d.p) (include extra zeros) | 1.33 | 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 | 33%
|
| 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 | 33%
|
| 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 | 33%
|
| In where are particles clustered together? (one of the two answers above) | compressions | 33%
|
| After particles hit each other, they form _________ and __________. | compressions, rarefactions | 33%
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| Lambda, λ for sound energy is used to measure the ________ between two _________. | distance, compressions/distance, rarefactions | 33%
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| This is because light is an __________ wave, which contains 2 components that oscillate. | electromagnetic/elektromagnetik | 33%
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| This formula is the formula for (another thing that isn't frequency, please) | hertz/hz | 33%
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| Sound energy is a type of _____ energy | kinetic | 33%
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| A sound wave is a _________ wave, which occurs on a line. | longitudinal | 33%
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| What is λ measured in? (general SI unit) | metres/meters | 33%
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| The _____, T, of the soundwave shows the time it takes to travel a distance of λ. | period | 33%
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| In where are particles spread apart? (one of the two answers above) | rarefactions | 33%
|
| theta(i) = theta(r). This is true for all ________ rays | reflected. | 33%
|
| 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 | 33%
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| n = c/v. n is the _______ ___ of a substance. | refractive index | 33%
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| Frequency, f, is given by the formula | s^-1 | 33%
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| What is T measured in? | seconds | 33%
|
| Light waves, unlike sound energy, is a ________ wave. | transverse | 33%
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