Physics What is the minimum distance (in metres) required to hear an echo? 17 10 13 21 17 10 13 21 ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these is not a simple machine? A ramp A lever The pulley A pair of scissors A ramp A lever The pulley A pair of scissors ANSWER DOWNLOAD EXAMIANS APP
Physics Which determines the frequency of a sound wave? Amplitude Medium Speed Source Amplitude Medium Speed Source ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these waves can be polarized ? Longitudinal waves on a string Light waves Transverse waves on a string Sound waves in air Longitudinal waves on a string Light waves Transverse waves on a string Sound waves in air ANSWER DOWNLOAD EXAMIANS APP
Physics Infrasonic sound has a frequency lower than 5 Hz 32 Hz 15 Hz 20 Hz 5 Hz 32 Hz 15 Hz 20 Hz ANSWER DOWNLOAD EXAMIANS APP
Physics The temperature of a liquid is 32° F. What is its temperature in Celsius scale? 32° C 100° C 212° C 0° C 32° C 100° C 212° C 0° C ANSWER DOWNLOAD EXAMIANS APP
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