Explain band theory ?
Answer / gurpal singh
Every material is made up of 2 bands i.e conduction band & valence band. Conduction band has more energy than the valence band,valence band contains valence electrons in it.
Is This Answer Correct ? | 3 Yes | 0 No |
Give an example of transverse wave?
Which property of sound is affected by change in air temperature?
What is an electron?
a car starts from rest with uniform acceleration "a" for sometime and then with uniform retardation "b" and comes to rest. The time of motion is "t". find the maximum velocity attained by it?
I observed this question to be asked in many exams - We cannot move even a finger without disturbing all the stars?Explain it.
Explain the characteristics of dead stars?
What is the difference between isolation transformers and step up or step down transformer?
By primarily using what simple machine did galileo come to the conclusion on the existence of friction?
laser is an acronym for light amplification by
what happens to the period of a simple pendulum taken into a deep mine ?
What is centigrade thermometer ?
What is the avarege speed of people fencing like at the olympic games. (sorry for the misspelled words)