Crystal l my experiences
What is crystal? Crystal can be divided into following types: Crystal Single crystal The crystal in which the periodicity of...
Dimensions of a Physical Quantity
What is dimension of a physical quantity? 1. In all the systems of units, the derived units of all the physical quantities can be express...
Diode valve l my experiences
What is diode valve? 1) Diode valve is simplest thermionic tube, which was invented by Sir Fleming in year 1904. 2) The working of diode...
Distance and displacement l my experiences
What are distance and displacement? A straight line joining the initial and final position of a body is called its displacement, irrespec...
Doppler effect in light
Doppler effect in light Doppler effect in light :1. Light waves also show the phenomenon of Doppler’s effect. If a light source is coming...
Doppler Effect in sound
Doppler Effect in sound 1. If an observer is situated at a fixed distance from a sound-source, the frequency of sound heard by him is the...
Dual nature of matter
What is dual nature of matter? Dual nature of matter - Since radiation has dual nature i.e. it possess properties of both; wave and parti...