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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
A uniform spring of length 2m and mass 200gm is under a tension of 800N. Find the speed of transverse wave in the string.
conservation laws A law that states that, in a closed system, the whole quantity of something will not enhance or reduce, but exactly remain the same; i.e., its rate of altera
The cross-sectional areas of the pistons in the system shown below have a ratio of 25 to 1. If the maximum force that can be applied to the small piston is 12 N. What is the
in newton''s rings experiment the diameter of the nth and n+14 rings are 3.2mm and 6mm respectively.Radius of curvature of plano convex lens is 1m.Calculate wavelength of light.
Q. What are the conditions to achieve the laser action? Conditions to achieve laser action (i) There should be an inverted population that is more atoms in the excited
wrench from the top of an 80 m high tower what is the velocity of the wrench when it strikes the ground?
A universal column of 6m carries a Point Load of (180+n2) kN centrally at its axis. The column also carries one end of a simply supported beam of 5m with a uniformly distributed lo
Superposition principle of forces The net force onto a body is equivalent to the total forces impressed upon it. superposition principle of states The resultant qu
Clear definitions of, and rationale for defining variables as explanatory confounding (if required) effect modifying variables (if required) and rationale if the form
Define the terms threshold frequency and stopping potential in relation to the phenomenon of photoelectric effect. How is the photoelectric current affected on enhancing the (i)
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