Colour of fluorescene produced by cathode rays depends upon________________?

Related Mcqs:

The maximum number of electron in a sub shell with ? = 3fs______________?

A. 6 B. 10 C. 14 D. 18...

When electrons collide with heavy metals than ___________ are produced?

A. Beta-rays B. Alpha-rays C. X-rays D. Gamma-rays...

Atom with higher atomic number produces X-rays of__________________?

A. Shorter wavelength B. Larger wavelength C. X-ray not produced D. All are possible...

Free neutron changes into proton with the emission of__________________?

A. Neutrino B. Electron C. Both A & B D. Meson...

Rutherford bombarded _________________ particles in discovery of nucleus?

A. Gamma-rays B. Alpha-rays C. Beta-rays D. X-rays...