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Simple steelyard (reading to 100 g)
The pan is made from cardboard, and is formed like a funnel. It is fixed to a beam made of a triangular-shaped lamina in ply- wood or 'Perspex'.
The beam tapers from 2 cm at the extreme end to 5 cm near the pan. The pivot, which can be a strong darning needle, is driven by the beam at a point about 5 cm from the pan and 2 cm from the top edge. Some part of the beam or pan can be cut away to make it balance
what are the types of pulleys
if two metal spheres are mounted on insulators then how will we give them equal charge by using a charged glass rod?
The phase of weightlessness may be observed in the following situations: (i) When objects fall freely under gravity : For example, a lift goes down freely, or an airship showing
Q. Carbon-14, or 14 C, is an isotope of the common 12 6 C, and is used in dating ancient artifacts. What is the composition of its nucleus? Six protons (equal to Z) an
Step to improve Power Factor By using static capacitor: Static capacitor is generally used to get better the power factor of the power system. As the capacitor draws leadi
Assume a crane lifts a 900 kilogram wrecking ball 12 meters above a concrete slab. 105,840 Joules of potential energy are kept in the wrecking ball. Now the ball is dropp
If electrons are treated as classical particles,which statistics will they follow?
Dielectric constant of vacuum is (A) Infinity. (B) 100. (C) One. (D) Zero. Ans: Dielectric constant of vacuum is one.
Illustrate the formation of stationary waves in stretched strings and thus deduce the laws of transverse waves in stretched string.
Mediocrity principle: The principle that there is nothing specifically interesting regarding our place in space or time, or about ourselves. This principle possibly first made
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