(b) A homemade compound microscope has, an objective and eyepiece, thin lenses of focal length 1 cm and 3 cm, respectively. An object is situated at distance of 1.20 cm from the objective. If the virtual image produce by the eyepiece is 25cm from the eye, compute (i) the magnifying power of the microscope and (ii) the separation of the lenses.

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Pr#4 (5-15 with some modification ) (a) Standing waves on string is produced by the superposition of the wave t 2х y = (7cm)sin 27| T. and its reflection in a medium whose absorption is negligible. For Tcm the resulting wave find the amplitude, wavelength, period, velocity of the element of the sting at position x. Pr#4 (5-15 with some modification ) (a) Standing waves on string is produced by the superposition of the wave t 2х y = (7cm)sin 27| T. and its reflection in a medium whose absorption is negligible. For Tcm the resulting wave find the amplitude, wavelength, period, velocity of the element of the sting at position x.