What is anti - noise?
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Why is one?s breath visible in cold, but not in not in hot weather ?
According to the standard model of particle physics, what is the name for the three leptons that have no electric charge and little if any mass?
Explain the Light ?
can we use kgs instead of kg? why?
Explain the Evaporation ?
How does the electricity travel ?
i measured a 3-ph capacitor with a multimeter which is not connected to supply... but i could get the phase to phase voltage... how tis is possible..????
Does gas have density?
Tell me what is radium used for?
What is frequency of sound in air?
why current is denoted by I?
When the sound intensity is above 120 decibel, what happen to human ears?