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Concept of wave front The basis of Huygens wave theory of light is his principle concerning construction of wave front. When a disturbance from a light source travels i
In mechanics, stress is a measure of the internal forces acting within a deformable body. Quantitatively, it is a measure of the average force per unit area of a surface within the
Q. Explain density? Answer:- Density is a physical characteristic also is a measure of mass per unit of volume of a material or substance. It is a dimension of the amount
Explain Friction Force (Ffrict) Force exerted by a surface as an object moves across it or makes an effort to move across it. There are 2 parts of friction force - sliding and
A train locomotive whose mass is 1 x 106 kilograms is travelling EAST at a speed of 100 kilometers per hour. A NORTHERLY wind is applying a force of 100 Newtons on the locomo
Q. A small pin fixed on a table top is viewed from above from a distance of 50 cm. By what distance would the pin appear to be raised if it is viewed from the same point through a
A rocket weighs 9800N. What applied force gives it a vertical acceleration of 4m/sec/sec?
Using a bicycle Turn a bicycle upside down so that it rests on the seat and handlebars. Turn the pedal wheel precisely one turn and note the number of turns made by the rear wh
From top of a tower a stone is thrown up and it reaches the ground in time t1. A second stone is thrown down with the same speed and it reaches the ground in t2. A third stone is r
A quantum particle confined to one dimensional box of width 'a' is in its first exited state. What is the probability of finding the particle over an interval of (a/2) marked symme
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