Object is positioned in front of the biconcave lens
An object is positioned in front of the biconcave lens having focal length 18 cm. Where the image positioned and what are its features, when the object distance is (i) 10 cm and (ii) 25 cm?
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A part of a sphere is mirrored on both the sides. When the magnification of an object is around 11.8 if the part is employed as a concave mirror, determine the magnification of an object at the similar distance in front of the convex side?
An object 4.0 cm tall is in front of the converging lens having focal length 22 cm. Where is the image made, and what are its features, if the object distance is (i) 15 cm and (ii) 36 cm? (Please draw ray diagrams if it isn't too much problem)
The (normalized) floating point number on machine looks like 1. f gh*10e ,where f, g, h are integers between 0 and 9 and e is exponent. Write floating point representation fl (1/3) of 1/3 on the machine.
A block of 200 g suspends from a spring having spring constant 10 N/m. At t = 0 s the block is 20 cm beneath the equilibrium point and moving upward having a speed of 100 cm/s. Determine the block's :
Using straight-line depreciation method with the life expectancy of three years, how much could be charged every year as the business expense?
By using a magnifying glass, a biology student on a field trip observes a small insect. When she view the insect magnified by a factor of 3.5 and when the glass is held 3.0 cm from it then determine the focal length of the lens?
The object is positioned 24 cm to the left of lens 1. (i) Employ a ray diagram to determine the estimated location of the image. (ii) Is the image inverted or upright? (iii) Is the image virtual or real? Describe. (iv) Find out the distance from l
Ball of 1.0 kg and a ball of 2.0 kg are joined by a 1 m long rigid, mass less rod. The rod is rotating cw around its center of mass at 20 rpm. Determine what torque will bring the balls to a halt in around 5.0 s?
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