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standing 20 m in front of a small vertical mirror you see the reflection of your belt buckle which is 070 m below your
1 a eyeglass lens has strength of 550 diopters what is the focal length of the lens2 a farsighted eye has a near point
1 light with a wavelength of 486 nm in air is passed through glass with an index of refraction of 154 a what is the
1a circular diffraction pattern is formed on a faraway screena by what factor will the width of the central maximum
a laser can be used to suspend beads in the earths gravitational field a bead with mass 5 10-6 g and density of 400
1 the drawing shows a crystalline slab n 1402 with a rectangular cross section a ray of light strikes the slab at an
a magnifying glass is a single convex lens with a focal length of f 110 cm assume the person using the magnifying
when reading the printout from a laser printer you are actually looking at an array of tiny dots if the pupil of your
a flint-glass prism is made in the shape of a 30 degree-60 degree-90 degree triangle red and violet light are incident
question radio waves of frequency 900 khz are broadcast in step from two stations 15 kilometres aparta what is the
how can you tell if a movie actor is wearing fake eye glasses in other words wearing glasses that are not needed for
images in a very thick glass mirror may by slightly colored by dispersion draw two vertical lines separated by about 2
a severely near-sighted sailor on a ship is asked to be on the lookout for icebergs on the horizon to do so he is given
1a lighted candle shown 100 cm high is placed 400 cm in front of a converging lens with f1 15 cm which in turn is 70 cm
1 what is the radius of curvature of the mirror and describe the image ie upright virtual2 explain why parallel rays to
what kind of wave-plates one needs to apply to rotate the plane of linearly polarized light 45 degrees clockwise what
a film of oil with an index of refraction of 148 and a thickness of 180 cm floats on a pool of water a beam of light is
3 a fabry-perot interferometer with fixed plate spacing t 150mm is used to examine filtered light from a helium lamp
1in a series lcr circuit at resonance decide which of the following statements are trueathe current leads the voltage
a dedicated sports-car enthusiast polishes the inside and outside surfaces of a hubcap that is a section of a sphere
agt an object of height 5 cm is placed 30 cm in front of spherical concave mirror if the image is real and 10 cm high
assume you are taking pictures of the sun with a digital camerayou have a 1024 x 1024 pixel sensor that is 125mm by
how significant is the broadening of a nsec pulse laser in the optical fibers their fiber was quartz 25 m long 600 um
writing an essay contain thesis introduction paragragh a body 1 body 2 body 3 and a conclusionexplain the ways in which
what is the correct format for an analysis research paper apa