Waves questions | form four Physics
(2136) Question Category: Short answers What are ultrasonic vibrations? Answer / Solution UNSOLVED |
(2137) Question Category: Short answers An FM radio station broadcasts electromagnetic waves at a frequency of 125 MHz. The radio waves have a wavelength of 2.4 metres. calculate the speed of the radio waves. Answer / Solution UNSOLVED |
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(2138) Question Category: Short answers Gamma ray bursters are objects in the universe that emit pulses of gamma rays with high energies. The frequency of the most energetic bursts has been measured at around Answer / Solution UNSOLVED |
(2139) Question Category: Short answers Define an echo. Answer / Solution UNSOLVED |
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(2140) Question Category: Short answers Name any two factors that affect the speed of sound in air. Answer / Solution UNSOLVED |
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