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1 a woman 168cm tall stands in front of a plane mirror attached to a vertical wall what is the minimum length that the
1 calculate the minimum theoretical angle of resolution of a telescope 508m 200in in diameter for light of 550nm2 two
1 does the law of reflection apply to microwaves when they strike a metallic plate explain2 does the law of refraction
suppose that by some artificial means it is possible to put more electrons in the higher energy state than in the lower
in one of the many books published by the greek astronomer ptolemy called optics ptolemy reports the results of
the angle of refraction for a ray of light traveling through an ice cube is 35 degreesa now suppose the ice melts but
a hypothetical system contains 16 particles which can occupy nondegenerate equally spaced energy levels of spacing e
a beam of parallel rays from a laser is incident on a solid transparent sphere of index refraction n see fig if point
1the ability of the eye to distinguish two nearby points is calleda accomodationb pupillary light reflexc refractiond
a light ray is traveling from glass refractive index 154 into air refractive index 100 at an angle of incidence of 45
1 below is the graph of fx for each of the given points determine the value ofnbsp fa and lim xrarrafxnbsp if any of
a clock driven by a brass rod pendulum loses time when the rod expands as the temperature rises find the error in one
consider a convex lens with the first surface having a radius of curvature of 31123mm a lens thickness of 58mm and the
commercial cold-packs consist of solid ammonium nitrate and water ammonium nitrate absorbs 330 j of heat per gram
1a piece of lucite transparent plastic has an index of refraction of 145 find the critical angle for total internal
1 suppose a virtual image is located 8 cm to the right of a lens which has a focal length of -12 cm find the location
a 05kg mass of aluminum at 0 degrees celsius is put in 1 kg of water at 78 degrees celsius in a calorimeter of
an aluminum and an iron bar are of unequal length an iron bar whose length is 6000 meters is at 0 degrees celsius an
at 20 degrees celsius the surface tensions for water and mercury are 73dyncm and 470dyncm respectively find these
certain crystals fluoresce when exposed to a short burst of ultraviolet light the amount of light emitted by the
1 a michelson interferometer has a vacuum chamber 50 cm long placed in one of its arms the interferometer is
in a murder investigation the crime scene investigators arrive 5am to examine the body they found the body temperature
you have a source of white light at the bottom of a pool of water describe how you would use total internal reflection
1 what happens to the rate of leaching with increase in temperature2 state some common problems of packed columns3 what
a thin lens forms an image of an overhead electric lamp on a piece of paper the distance to the lamp from the lens is