Why dies water rise in the trees ?
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Why a water pump raises water to a greater height at Bombay than at Simla
What is the quantity?
Explain the difference between intrinsic and extrinsic semiconductors?
How fast can a shadow move ? If a moth fly's in front of a very bright room temperature light powerful enough to light up Saturn like the sun could it's shadow move faster then light if there was no light diffusion.
What is Myopic ?
Explain what is the heterogenous?
Does weight affect how far you jump?
Why does the colour of a material look differently in sunlight that than in the electrical-lamp
In the 19th century, this scottish scientist showed that all magnetic and all electric phenomena could be described by four equations that often bear his name. What ishis name?
explain the proper definition of light?
our breath can produce current?
which one of the following does a tv remote control unit used to operate a tv ? a)light waves b) sound waves c) micro waves d) radio waves