What is the direction of null vector?

1211

What is the proper definition of light?

1044

Order the following from the worst electrical conductor to the best electrical conductor? Glass, rubber, iron, dry wood

851

What is radium used for?

954

What is the velocity of sound air?

1060

What are the applications of electron microscope. : quantum physics

851

Explain what is cardiac output?

862

How does the elevation and air pressure affect the boiling point of water?

958

Why does a tilted gyroscope not fall?

941

we know when two atom combine,the electrions are in valance band,but in case of semiconductor doner or acceptor level are above of v.. whyb

1879

In radio transmission, what does the acronym am stand for?

1061

What is meant by energy spectrum of a black body? : quantum physics

820

What is anti - noise?

968

how many neutrons and how many protons are present in a single deuterium nucleus?

1002

With the formula Frequency=(np)/120 were does the 120 come from I realize it to be a constant but how was it determined

3056