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A figure separated into squares, each of size 1 mm2 is being viewed at a distance of 9cm by a magnifying lens of local length 10cm, held close to the eye.
(i) Illustrate a ray diagram showing the formation of the image.
(ii) What is the magnification formed by the lens? How much is the area of each square in the virtual image?
(iii) What is the angular magnification of the lens?
Discuss the Carnot cycle of operation and reduce the expression for efficiency. Carnot engine is works on the principle of Carnot cycle made up of four stages are represented as sh
A 400kVA transformer has a primary winding resistance of 0.5Ω and a secondary winding resistance of 0.001Ω . The iron loss is 2.5kW and the primary and secondary voltages are
Three capacitors of capacitance 6µF each are available. Determine the minimum and maximum capacitances that could be acquired.
define the coefficient of friction
Q. State the conditions to achieve total internal reflection. For entire internal reflection to take place (a) Light should travel from a denser medium to a rarer medium an
why laser show beat phenomenon while LIGHT do not.
A step-up transformer works on 220V and gives 2A to an external resistor. The turn ratio between the secondary and primary coils is 2 : 25. Assuming 100% efficiency, Determine the
1 Ampere: 1 ampere current is supposed to be flowing in a conductor if one coulomb of charge flows across section of the wire in one second.
When the component simple harmonic motions have dissimilar periodic times: The resultant curve may be attained in this case by dividing the circumferences of the two circles of
Take the difference among your experimental value and your known value, and divide that difference by your know value. Say you experimentally found the force of gravity to be 8m/s
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