When sound waves travel from air to water, what happens to its frequency?
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what is difference b/w scr &rectifier&mechanism of triac experiment
is photocell can be used as photodiode
If a plane is in the air and there is a fly flying inside the plane does the plane get heavier when the fly lands?
Why is a man hit harder, when he falls on a paccafloor than when he falls on sand from the same height ?
in rubber and steel which elastic is greater and why?
Explain the Flying Machines ?
Why, when you release an inflated, untied balloon, does it fly across the room?
What is reverberation?
Explain how spectral lines show discrete energy levels in an atom. : quantum physics
Why is it that sound waves are not normally considered as having particle-like properties, nor raindrops as having wave-like properties? : quantum physics
One man driving his car over dark night on hard concrete stone road in a forest. His bad faith that his car pings with long ore needles of concrete henceforth his all 4 tyres got punctured. How he might have tackled his problem? please guess answers & post
Explain what is different between secondary electron image and back scattered electron image?