BTEC Applied Science Unit physics Exam with Study Questions and Answers

BTEC Applied Science Unit physics Exam with Study Questions and Answers Define Oscillation ANSWER A regularly repeating motion about central value What is frequency? ANSWER The number of whole cycles occurring in one second What is the formula for frequency? ANSWER f = 1/T What is the Period of a wave? ANSWER The time taken for one whole cycle of an oscillation. What is Displacement of a wave? ANSWER How far the quantity that is in oscillation has moved from its mean (rest) value. What is the amplitude of a wave? ANSWER The maximum value of displacement in the oscillation cycle. Always measured from the mean position. Explain a wave ANSWER Waves transfer energy from one point to another without causing any net movement of material. What is wavelength? ANSWER The distance along the wave in its direction of travel (propagation) between consecutive points where the oscillations are in phase. What is the wave equation? ANSWER v = fλ