What is audio frequency?
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Is exothermic reaction useful in Lasing process? give reasion of ur answere?
What is photometry?
Explain about Electron microscope?
Order the following from the worst electrical conductor to the best electrical conductor? Glass, rubber, iron, dry wood
What is speed of sound at sea level?
What is a Noise ?
Explain nuclear fission?
Define weight?
Explain what formula is most appropriate to compute the kinetic energy of a block of ice sliding down an inclined plane?
If a number of planes are talking off form an aircraft carrier, what is the minimum interval required between the take-off of the successive planes ?
Physics short answer to two significant figures, what is the index of refraction of air?
Explain the Phosphorescence ?