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Reducing friction by an air stream
Cut out a disc of cardboard about 10 cm in diameter. With a red-hot pin, burn a hole by the centre. Saw a small cotton reel in half and glue the unique end of one half over the middle of the disc. Search a piece of bamboo or some other tube which just fits the hole in the reel. Push this into the neck of a small balloon, using cotton or a rubber band to protected the joint.
Friction by an air stream
Regard as an electron and a proton at an instant in time to be at a separation of 5 cm from each other. Presume the pair to be totally isolated from its surroundings in the vacuum
Coriolis pseudoforce (G. de Coriolis; 1835) A pseudoforce that arises due to motion relatively a frame which itself rotating relatively second, inertial frame. The magnitude o
Q. What is the use of control rods? Mention any two control rods. The control rods are utilized to control the chain reaction. They are extremely good absorbers of neutrons. Th
Define the Critical Angle and Fiber Optics When light is traveling in an optically dense medium, like water, and comes to the boundary of a less dense medium, like air, there a
Question 1. Discuss the general guidelines to be followed for whole body CCT 2. Describe pitch and image quality in MSCT 3. List the advantages of SCT in pediatrics. Expl
Working of Single –phase induction motor Working : Construction of a single -phase motor is same to that of a three -phase induction motor except that the stator is given wit
when is the body said to be at rest
What are fibers optics made of? For visible light or lighting purposes spectrum transmission, several types of fibers are used. Glass in very suitable strands which have to be
In 1.0s, 5.0x10^23 nitrogen molecules strike an area of8.0cm^2 at a speed of 300m/s. What is the pressure? (mass of one nitrogen molecule = 4.68x10^-26 kg.) I believe I should use
Wien's displacement law constant, b It is the constant of the Wien displacement law. It contains the value 2.897 756 x 10 -3 m K.
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