How does laser printer works?

910

What would happen if a disk one light second in circumference were to spin at 60 rpm?

927

Sir. I m a physics graduate ...how can i help in bank with my physics subject...kindly reply ...my id. Pshkumar.090@gmail.com...please

1990

Who first detected radio waves?

954

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.

2166

Why is it that sound waves are not normally considered as having particle-like properties, nor raindrops as having wave-like properties? : quantum physics

977

State Laws Of Conservation Of Energy?

911

Explain the weights in pounds of liquid gallons?

975

How many types of wave motions are there?

1022

Who determined that the square of a planets period is proportional to the cube of its average distance from the sun?

874

What is the loudness?

947

Is their any rule in significant figures that maximum number of significant figures in a number are 5

1957

Why is it important not to expose a patient to x-rays for too long?

913

Distinguish between optical and acoustic resonance.

2785

Explain what is the shadows?

893