Explain the cause of brownian motion?
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According to coulombs law, if two charged particles are repelled with a given force at a distance d, by what multiple will the force decrease by if d is increased by 4times?
What is loudness of sound?
Will a dc motor actually produce voltage if it is spun in reverse?
What is Force ?
Why is it that the nearer we approach the sun, the colder it becomes ?
What sound waves travel from air to water the frequency remains?
What is meant by normal modes?
How do fireworks turn into shapes like hearts and stars?
For measuring weight of 2cm3 piece of density 4gm/cm3 which spring balance is best suited what is the range and least count how we calculate
Explain how do you convert from pascal to torr?
Explain the Real and Virtual Image ?
what is the principle used in electromagnetic spectrum?and why there is a necessary of having an electron with unpaired spins?and how the uncertainity principle is used to determine the frequency of an spectral lines ?