Who discovered radioactivity?
Which is the strongest fundamental force of nature?
The strong nuclear force, also called the strong nuclear interaction, is the strongest of the four fundamental forces of nature.
Which force operates among the heavier elementary particles?
Electromagnetic force is stronger than gravitational force by a factor of:
The electromagnetic force is stronger than gravitational force by a factor of 1036.
Who discovered ultra-short radio waves?
The wave nature of electrons is used in which of the following devices?
According to Einstein’s theory, mass and energy are related as:
On which laws, is the principle of rocket propulsion based?
The phenomenon of Photoelectric effect is used in:
Scientific method involves
Systematic observations, controlled experiments, qualitative and quantitative reasoning, mathematical modelling, prediction and verification.