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BTEC Applied Physics All questions with verified answers

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BTEC Applied Physics All questions with verified answers

Institution
BTEC Applied Science Physics
Course
BTEC Applied science physics

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BTEC Applied Physics All questions
with verified answers

Define Oscillation - Correct answer ✔A regularly repeating motion about central value
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What is frequency? - Correct answer ✔The number of whole cycles occurring in one second
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What is the formula for frequency? - Correct answer ✔f = 1/T
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What is the Period of a wave? - Correct answer ✔The time taken for one whole cycle of an
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oscillation.



What is Displacement of a wave? - Correct answer ✔How far the quantity that is in oscillation has
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moved from its mean (rest) value.
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What is the amplitude of a wave? - Correct answer ✔The maximum value of displacement in the
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oscillation cycle. Always measured from the mean position.
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Explain a wave - Correct answer ✔Waves transfer energy from one point to another without
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causing any net movement of material.
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What is wavelength? - Correct answer ✔The distance along the wave in its direction of travel
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(propagation) between consecutive points where the oscillations are in phase.
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What is the wave equation? - Correct answer ✔v = fλ
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What is Phase Difference? - Correct answer ✔The difference between two waves of the same
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frequency and wavelength where 360degrees represents a single whole cycle.
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, How do particles behave in a longitudinal wave? - Correct answer ✔The particles are displaced in
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the same direction that the wave travels.
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How do the particles behave in a transverse wave? - Correct answer ✔In a transverse wave the
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displacement is at right angles to the direction of the wave travel. |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




What are the two parts of a longitudinal wave. - Correct answer ✔Compression (squashed)
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Rarefaction (spread out) |||||| ||||||




What are the 2 types of wave? - Correct answer ✔Longitudinal
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And

Transverse.



What is diffraction? - Correct answer ✔Diffraction is the tendency of a wave to spread out in all
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directions.



What is transmission of a wave? - Correct answer ✔The wave energy passing through an object and
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mostly continuing forward in the original direction.
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What is reflection? - Correct answer ✔Wave energy that bounces of a surface and has its direction
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of travel altered by 180degrees
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What is an interference pattern? - Correct answer ✔A stationary pattern that can result from the
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superposition of waves travelling in different directions provided they are coherent. |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




What is coherence of a wave? - Correct answer ✔Superposition that causes a visible interference
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pattern. Must share the same wavelength and constant phase difference
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What is superposition? - Correct answer ✔The adding together of wave displacements that occurs
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when waves from 2 or more separate sources overlap. They add together.
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BTEC Applied science physics

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