Hydrogen spectrum and spectral series, When hydrogen atom is excited, it re...

When hydrogen atom is excited, it returns to its normal unexcited (or ground state) state by emitting the energy it had absorbed previous. This energy is given out by the atom in t

Reflection problem , 2 upright plane mirrors are 4 meters apart and facing ...

2 upright plane mirrors are 4 meters apart and facing each other. A man stands 1 meter in front of them. Determine the distance between the second images in the mirror

Find the speed of transverse wave in the string, A uniform spring of length...

A uniform spring of length 2m and mass 200gm is under a tension of 800N. Find the speed of transverse wave in the string.

Plastic capacitors, Since polymeric materials can be formed in thin, highly...

Since polymeric materials can be formed in thin, highly uniform and non porous films with high dielectric strength, these materials are preferred dielectric materials for capacitor

Explain galvanometer increase voltage sensitivity, Q. In a galvanometer, in...

Q. In a galvanometer, increasing the current sensitivity does not necessarily increase voltage sensitivity. Explain An interesting point to note is that raising the current sen

Dc ammeter, Why dc ammeter cant read ac current

Why dc ammeter cant read ac current

Michelson interferometer diagram,

Ferro electric behavior of solids, In physics, the dielectric material such...

In physics, the dielectric material such as Rochelle salt and barium Titan ate with a domain structure containing dipoles (a symmetric distributions of electrical charge) which spo

Who first theoretically predicted the existence of positron, Who first theo...

Who first theoretically predicted the existence of the positron, a positively charged electron?  He received the Nobel Prize in Physics in 1933. Ans: (Paul Adrien M

Rolling disc, Rolling Disc Imagine a rectangular tray lying flat on a ...

Rolling Disc Imagine a rectangular tray lying flat on a horizontal table. Suppose in which the tray has vertical sides, and this a plate (or disc) lies flat on the table and r