Silver when comes in contact with a boiled egg, turns grey or black. Why
Silver is a well known name in jewellery and coinage.Silver also has the …
Showing posts from October, 2021Show All
Define progressive wave and what are the characteristics of progressive waves
A wave in which the disturbance produced in the medium travels in a given direction co…
What will happen, if the magnetic field in moving coil galvanometer is non radial
In a radial magnetic field, the plane of the coil is always parallel to the magnetic l…
Why is a large value of mutual inductance is not always desirable and how can it be minimised ?
Mutual inductance is a common phenomenon associated with transformer.A large value of…
Thermodynamics involved in a pressure cooker
Pressure cooker is a very common device used in cooking food by consuming lesser amoun…
What is a perfect black body ?
A body that absorbs the entire radiation energy incident on it is called as a perfect …
What is Kirchhoff's law?
There are two laws of Kirchhoff which are used while studying the electrical circuit …
What is a Torsional Pendulum?
It is a device consisting of a heavy disk having high moment of inertia mounted at one…
What is the difference between rest & motion?
Let us see each definition one by one Motion Any body is said be in a state of motion…
New Year 2022
Wishing everyone a very Happy New Year ahead ! God bless you all
Characteristics of electromagnetic force and gravitational force
Characteristics of Electromagnetic force Electric force can be attractive …