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What are coherent sources? Why are coherent sources required to produce interference of light? Give an example of interference of light in everyday life. In Young's double slit experiment, the two slits are 0.03 cm apart and the screen is placed at a distance of 1.5 m away from the slits. The distance among the central bright fringe and fourth bright fringe is 1 cm. Measure the wavelength of light used.
if a body contain n1 electron and n2 proton what is the total charge on the body?
1.A=the set of whole numbers less tan 4 ? 2.B=the set of prime numbers less than 19 ? 3.C=the set of first three days of week?
derive an expression for time of flight of horizontal projectile
What is seebeck effect. Illustrate how thermo emf varies with temperature in a thermocouple, describe neutral and invertion temperature. What are Thomson effects and Peltier? D
The mass of a proton and of an antiproton is 1.00728 u. Recall that the conversion of exactly 1 u into energy yields 931.5 MeV. a. Measure the mass used up when a proton and
linear polarizers whose transmission axes make an angle of 45degree with each other,.The transmitted light intensity through both polarizers is what percentage of the incident inte
Describe an actual situation that would give rise to the free body diagram
how to calculate speed of light? The speed of light in vacuum, normally denoted by symbol c, is a universal physical constant which is very important in various areas of physi
what is different between acid and base?
An army plane wants to drop supplies to a group of physics students stranded on an island. In order for the package to land on the island, the pilot needs to drop the package befor
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