How is sound produced?
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Advantage of fixed pulley?
Is negative mass antimatter?
which type of component is transformer
What is Slaked lime ?
Explain the Heat Vaporisation?
Why the height of the mercury column is affected by the change in temperature ?
direction of friction on a front and rear wheel of a bicycle when accelerated?
Order the following categories of electromagnetic radiation from the lowest frequency to the highest? Fm radio, uhf tv, am radio, microwaves
Explain what formula is most appropriate to compute the kinetic energy of a block of ice sliding down an inclined plane?
Is a sewing needle magnetic or non magnetic?
On breaking a magnet, how many poles will be got ?
Which lens is used for correcting short ?sightedness ?