Tell me why ship doesnt sink sea?
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the magnifying power of a simple microscope can be increased if we use eye piece of
Similar charges repel while dissimilar ones attract each other. How does two electrons attract each other during the formation of bond or why don't the protons in the nucleus repel?
what is Gauge?
Order the following categories of electromagnetic radiation from the lowest frequency to the highest? Fm radio, uhf tv, am radio, microwaves
Why ate the telegraph wires kept a little loose ?
State 'law of machines'?
application of optical fibers and sensors
Explain about Cosmic rays?
You want to magnetize a metal. How would you do that?
Which property of sound is affected by change in air temperature?
What is frequency of sound in air?
assuming friction is negligible, if a lever has a mechanical advantage of 5, how much effort in newtons is needed to lift a 10 newton load?