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A simple pendulum
Tie a cord at least 2 m long to some object like a stone or a small metal ball. Suspend this in a doorway or from a hook in the ceiling and begin it swinging through a large are. Count the number of swings it makes in 10 seconds and then multiply by 6 to see how more swings it makes per minute.
Sol: The incident angle is 45 because the angle of reflection and angle of incident is equal.
Explain the terms (i) magnetic declination and (ii) angle of dip at a given place.
what are the shapes of inorganic molecules?
Explain Faraday's laws of electromagnetic induction? Ans. First Law of faraday: Whenever the flux linked with a circuit is changed an e.m.f. is generate in the circuit Seco
It is the lowest temperature at which a flammable liquid can form an ignitable mixture with air. At this temperature the vapour may cease to burn when the source of incitation is r
Q. What is cut-off or stopping potential? The minimum negative (retarding) potential specified to the anode for which the photo electric current becomes zero is called the cut
WHEN SAME MUSIC IS PLAYED IN VIOLIN AND VEENA WE SHALL HEAR SOUND OF?
What is a P-N junction? How does it behave under forward and reverse bias? Describe with the help of circuit diagrams.
Derive expression for total power consumed when three appliances of power p1 p2 nd p3 are connected in series.
Image Formation for Plane Mirrors Not all people who are performance the object within the mirror will sight along the similar geometrical line of sight. The precise direction
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