What are the essential characteristics of a wave?
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hmmm by using of our saliva we can produce current?
Why is diamond so bright ?
Explain the Laws of Thermodynamics ?
Why is it important not to expose a patient to x-rays for too long?
Explain about Barometer?
Explain what formula is most appropriate to compute the kinetic energy of a block of ice sliding down an inclined plane?
Explain what is the heterogenous?
What are newton s laws of motion?
Explain reflection of light?
explain the proper definition of light?
Explain about Vacuum Pump?
When sound waves travel from air to water, what happens to its frequency?