Pressure in gas discharge tube was kept________________?

Related Mcqs:

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

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

When an atom absorbs energy the lines in the spectrum will appear which are_________________?

A. Brighter B. Darker C. Colourless D. Hard to locate...

Electronic configuration of K is_________________?

A. [Ar]4s2 B. [Ar]4s1 C. [Kr]5s1 D. [He]2s1...

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...