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Compound Microscope:
It is an optical instrument by which very small object like as biological specimens are seen that cannot be seen by naked eyes.
Compound microscope having of long metallic tube of variable length. Two converging lenses are mounted at its two ends.
Convex lens of short focal length and small operture is known as objective.
Convex lens of bigger focal length and large operture is known as eye piece.
E lectrons have very much smaller mass than that of ions, so they respond more rapidly to a changing electric field. For electric field that oscillates at extremely high frequencie
Two moles of an ideal gas expands reversibly and isothermally to ten times its volume at 25°C. Evaluate the change in entropy during the process. ( R = 8.314 JK -1 mol -1 )
Q. Find the effectual resistance between A and B. 1/R p = 1/R 1 + 1/R 2 R p = R 1 R 2 / (R 1 + R 2 ) = 15 X15 / 30 = 7.5 ohm
Van der Waals force (J.D. van der Waals): It is the forces which is responsible for the non-ideal behavior of gases, & lattice energy of molecular crystals. There are three ca
why gravitational energy for a system of particles is found by first finding the gravitational energy between individual particles and then adding it up? Ans) It is a scalar qua
O rdinary glass is a good insulator but is too brittle to be used for anything but scientific instrument part s, accumulator container and for certain other special purposes. It is
The main constituents of glass is (A) SiO 2 (B) B 2 O 3 (C) Al 2 O 3 (D) Cr 2 O 3 Ans: The main constituents of glass are SiO 2 .
how to calculate wave function of particle?
In a movie, Tarzan evades his captors by hiding underwater for many minutes while breathing through a long , thin reed . Assuming the maximum pressure difference his lungs can mana
Explain about Electric Field Electric Field: Field formed by a single or group of charges that permeates all space. Fields are responsible for making forces at a distance
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