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Simple 'spring' balance
Punch four holes in an old tin lid with a nail, spacing them partially round the circumference. Pass pieces of string by these holes and tie them together. Now join this scale.
If weights are not available, it is possible to graduate the balance using known volumes of water poured from a calculating jar and by making marks on the supporting stick conflicting the edge of the pan. Stones canthen be found which will give the similar extension and these should be marked for future use as weights. The use of coins for this purpose should also be investigated.
Because of concentration difference holes or electron try to vary from their side to other side. Only these holes or electrons cross the junction, having high kinetic energy. This
Factors which are affect velocity of sound in gaseous medium is (1) Effect of density (2) Effect of pressure (3) Effect of temperature : (4) Effect of humidity
some details about wave
4 transitor bias circuit
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
Q. During lightning, it is safer to sit inside car than in an open ground. Why? The metal body of the car offers electrostatic shielding where the electric field is zero. Thro
The record for the highest speed achieved in laboratory for a uniformly rotating object was 2.01*10^3 m/s for a0.15-m long carbon rod. What was the period of rotation of the rod?
What are the magnitude and the sign of a point charge that experiences a force of 0.48 N east when placed in an electric field of 1.6 x 10 5 N/C west? Normal 0
A symmetric, multimode slab waveguide has a core width 2ρ, a uniform cladding index n cl and a linear, graded-index profile n(x) in the core that is continuous and symmetric about
Q. Illustrate what is balanced field takeoff? Answer:- A balanced field with admiration to aircraft takeoff performance refers to the minimum length of runway that will pe
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