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Demonstration vernier
Two pieces of tongued and grooved floor board about 1 m long can be used to make this apparatus. Saw 7 cm off the tongued board and glue it into the groove to give an end stop. With Indian ink or saw cuts, mark off graduations 5 cm apart along the whole length of the longer board. Use about 50 cm of the tongued board to provide the vernier slide. Graduate it by measuring 45 cm from one end and in-between this into ten equaparts, i.e. 4.5 cm each. The remaining piece of board cans beused to give brackets so that the apparatus will stand vertically on the bench.
What is radioactivity? Radioactivity: The process of spontaneous disintegration of the nuclei of heavy elements with the emission of certain radiations is known as natural ra
Polarization: The dipole moment per unit volume of the solid is the sum of all the individual dipole moments within that volume and is called as 'Polarization' P of the solid.
can electrons from an electron gun produce electricity
A ray of light in air is occurrence upon a flat piece of glass. How acts the path that the light travels along when it is in the glass compare with the path in the air?
Discuss the Carnot cycle of operation and reduce the expression for efficiency. Carnot engine is works on the principle of Carnot cycle made up of four stages are represented as sh
if length changes then there is change in the time period how to solve these questions regards
A particle is projected from ground with velocity 40sqrt2m/s.find- a)velocity and b)displacement of particle after 2sec .Take g=10m/s^2 Ans) velocity v=u+at a=-g v=40√2-10*2
how to take readings from screw gauge and zero error of it
Atwood's machine A weight-and-pulley system is used to measure the acceleration because of gravity at Earth's surface through measuring the net acceleration of a set of weight
what are the source of error in simple pendulum
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