Whar are the different parts of the x-ray radiation intensity graph? : quantum physics

542

Explain the difference between emission and absorption line spectra. : quantum physics

506

All elements with an atomic number greater than what number are unstable?

529

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

663

What is the musical sound?

557

Who first described how shock waves are formed?

563

Is air travel time the same whether or not the plane is flying with or against the rotation of the earth?

532

Explain diffraction?

534

What do you mean by diffraction and what is/are the proper condition/conditions for it?

631

The throbbing caused by sounds of slightly different frequencies that results because of periodic constructive and destructive interference is called:

606

The light in vehicle become dim when it is starting,why?

1657

What is larger the force the earth exerts on you or the force you exert on the earth?

480

Explain what is density?

523

Why is there more friction when you push an object than when you pull it?

557

What is meant by 4th dimension?

548