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Fun with a pendulum
Suspend a hard ball about 8 cm in diameter on a cord over a table. The cord should be at least 1.5 m in length and should be just high sufficient off the table to hit the top of a pencil which has been placed in cotton reel and rests on the table. Pull the pendulum and release it in like a way that it misses the pencil on the outward swing and knocks it over on the backward swing. You will search that it needs a great deal of practice to become skilful at this.
A cubical block of wood weighing 200g has a lead piece fastened underneath. Find the mass of the lead piece which will just allow the block to float in water. Exact gravity of wood
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a parallel pate capacitor has two dieletric slabs between the plates with interface normal to E and D.the thickness of each slab is 1cm,area is 100cm2.neglect fringing effects.dete
A set of open circuit test and short circuit test have been performed on a transformer. A supply voltage of 480 V is applied to the primary side of the transformer and the followin
Can you explain normal mode oscillation? Compare between Q 1 and Q 2 mode oscillation
explain one page for snell''s law?
What do you mean by Doppler's shift? Derive a mathematical expression for the apparent frequency heard by a moving listener when the source of sound is at rest. What is the effe
In laboratory frame of reference, particle A moves along X direction with velocity 0.5 c and particle B moves along Y direction with velocity 0.4 c. Evaluate velocity of particle B
Fig- detremines a square loop Made from a uniform wire. Determine the magnetic field at the centre of the square if a battery is connected among the points A and C.
Which of the following isn't true of an electric field? Answer An electric field can as well as does exist in vacuum. Except for the one about vacuum the entire the answe
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