definition of constructive interference

Two waves are said to interfere constructively or reinforce each other, if the resultant amplitude is maximum. The condition for constructive interference is that the phase difference A phase difference of 2 p corresponds to a path difference l . Let the phas..

. These bands are called interference fringes. The solid arcs represent the crests and the dotted arcs represent the troughs in the above diagram. When these arcs overlap, the (.) dots represent the maximum intensity i.e., constructive interference, whereas the (x) cro..

is contamination by extraneous signals from human sources, other transmitters, power lines and machinery, switching circuits, etc. Interference occurs most often in radio systems whose receiving antennas usually intercept several signals at the same time. Radio-frequency interferenc..

! This phenomenon where there is redistribution of light intensity, when two or more light waves superimpose, is called interference. The experiment to observe such a phenomenon was first done by a doctor, Thomas young. Thomas YoungThe above phenomenon was difficult to observe as the two ..

Since light has a very small wavelength, we need two slits, which send out two continuous coherent waves. Since the two slits are placed very clos..

Analysis for construction shows Analysis for construction: that you have to draw CF||BD Think how you can complete to meet DE produced at F. a parallelogram with DB and BC as consecutive sides. You will find the need to draw CF||D..

The figure below shows the construction of an electric motor. The main parts of an electric motor are: D.C. Motor the armature coil ABCD mounted on an axle the commutator that is a split ring divided in two parts S 1 and S 2 a pair of brushes B 1 and B 2 a horse - shoe electromagnet The c..

Through A, B and C draw lines parallel to BC, AB and AC respectively. Let these lines meet at P, Q and R forming D PQ..

Join AB. Locate O the mid point of AB. Join PA and PB. Join P and ..