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Principle Ray II. Preliminary on the object side of the lens ray II heads toward the plane of the lens along a line that is parallel to the principle axis of the lens. At the plane of the lens it suddenly adopts a path that takes it directly away from the focal point that is on the same side of the lens as the object. If you outline that ray straight back the trace-back line passes through said focal point.
why the light vibrating in the plane ofincidence is not reflected at Brewster''s angle?
what is black body? explain black body radiation with example
A wave front is a line or surface on which the disturbance has the similar phase at every position. If the source is periodic, it generates a succession of ray front, each of the s
what will happen when a ball is dropped in a hole passing through the centre of earth through out diametrically?
Q. Define: Thomson effect. Thomson recommended that when a current flows through unequally heated conductors heat energy is absorbed or evolved throughout the body of the meta
Forging: Forging is shaping of metal either by impact or steady compression among a hammer or ram and anvil. Related to hammering or pressing of metal, the main difference among
Thermoelectric refrigerator : The working of thermoelectric refrigerator is totally based on Peltier effect. Thermoelectric generator : Thermocouple can be used to obtain ele
Q What is Seebeck effect? Seebeck revealed that in a circuit consisting of two dissimilar metals like iron and copper an emf is developed when the junctions are maintained at
Pulmonary embolism: - It is a blood clot blocking a major artery in the lunge ,it represent a serious medical problem. - About 100 MBq of lumpy 99mTc –is injected into a vein .T
one coin is thrown upword from 100m top building with velocity 15m/s .2s later 2nd coin is dropped downword at what distance from top of building 2nd coin cross first? Ans) They
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