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50 gm of an optically active substance is dissolved in 100 ml of water. A plane polarised light, when passing through 30 cm of the solution, suffers a rotation of 390 in it's plane of polarization. Evaluate the specific rotation of the solution.
State of Motion: Inertia is the tendency of an object to resist alters in its state of motion. State of motion of an object is described by its velocity - speed with a direc
Primary cell Is that cell in which electrical energy is produced because of chemical energy. In the primary cell, chemical reaction is irreversible. This cell cannot be recharged.
Two arrows are fired horizontally with the same speed of25.0 m/s. Each arrow has a mass of0.116 kg. One is fired due east and the other due south. Find the magnitude and direction
At 200.0 K, silicon has 3.79 x 10 -18 free electrons per atom. How many free electrons/cm 3 are there in silicon at this temperature?
When a driver brakes an automobile, the friction between the brake drums and the brake shoes converts the car's kinetic energy to thermal energy. If a 1800 kg automobile traveling
Evaluate the volume of water in a round reservoir approximately 1 km in radius, if the depth of the water is 15 m. Approximately how many balls with a diameter of 1.8 cm should
1st law -What is the significance of the second foci of the elliptical orbit? 2nd law -if the speed of the planet changes,why donot we feel it?
Q. Give any two differences among Peltier effect and Joule's law of heating. Joule's law of heating Peltier effect Takes place all th
a jet of engine on a test tube takes in 20kg of air per second at a velocity of 100m/s and burns 0.8kg of fuel per second.after compression and heating the exhaut gases are ejected
State perpendicular axis theorem. a) Explain impulse-momentum principle. b) Verify the equation of motion for translation
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