Draw a graph between frequency of photon and velocity of photo electron?
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What is the physical significance of biot numbers?
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WHO IS THE FATHER OF CALCULUS,LIBNIEZ OR NEWTON?
Why dies a small quantity of air introduced into the top of the barometer tube depress the level of mercury ?
what does quantity of matter in an object denote
For projectiles fired at identical speeds but various angles from the ground, neglecting air resistance and the curvature of the earth, at what angle will the maximumhorizontal distance be attained?
If a dog rolled around on a carpet and gets statically and a flea jumps on it will the flea get electrocuted?
How d o the radio-waves pass through walls ?
What is tone control?
Explain the characteristics of dead stars?
I just want to convert the voltage into current i.e. suppose I have 750V & 1A AC power then I want to convert it into 12V & 62A DC power only difficulty is that I don't want to use the tranceformer. Simply to say, I want to make the step-down without using tranceformer. Please, give me some ideas. And also I want the relation between Magnetic Induction & Weight of the body can be levitated. Or I can say, how much of magnetic induction requires to lift 500gms weight? I am heartily thankful to you.
Explain what is meant by 4th dimension?
How is radiation emitted from the body?