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at night the pupil of a human eye can be considered to be a slit by a diameter of 80 mm the diameter would be smaller
a spectrometer utilizes a grating with 12 000 linescm discover the angles at which red light 632 nm and blue light 421
light of wavelength 542 nm falls on a double slit first-order bright bands appear 400 cm from the central bright line
yellow-orange light from a sodium lamp of wavelength 596 nm is aimed at two slits separated with 190 x 10nbspnbsp -5 m
white light falls on a single slit 0050 mm wide a screen is placed 100 m away a student first puts a blue-violet filter
what is responsible for the rainbow-colored fringe commonly seen at the edges of a spot of white light from a slide or
a slide of an onion cell is placed 12 mm from the objective lens of a microscope the focal length of the objective lens
the convex lens of a copy machine has a focal length of 250 cm a letter to be copied is placed 400 cm from the lens1
four identical metallic objects carry the following charges 22 microc 70 microc -70 microc and -32 microc the objects
calculations of the shear viscosity of the quark-gluon plasma qgp observed in heavy ions collisions are performed via
a tennis player hits a ball 18m above the ground the ball leaves her racquet with a speed of 200ms at an angle of 5
a magnifying glass can be utilized to focus sunlight to a single point describe physically and mathematically how this
an airplane in level flight at an altitude h and a uniform speed v passes directly over a radar tracking station a
sodium atoms moving at 1000 ms are incident on a slit having a width of 100 nm at 3 m from the slit what is the
the beat detected on a moving platforma speaker fixed to a moving platform moves toward a wall emitting a steady sound
a ray of light incident upon a mirror creates an angle of 360deg with the mirror what is the angle among the incident
a block of unknown material is submerged in water light in the water is incident on the block at an angle of 31deg the
1 what is the acceleration of a bicycle that starts from rest and reaches 60ms after 50 seconds2 a horse accelerates at
a circular lake 10 km in diameter is 10 m deep see the figure figure 1 solar energy is incident on the lake at an
a typical human body has surface area 14 m2 and skin temperature 33 c if the bodys emissivity is about 095 whats the
electromagnetic waves can be shielded with a perfect conductor what about gravitational fields or
a screen is placed among two lamps so that they illuminate the screen equally the first lamp emits a luminous flux of
modern lasers can create a pulse of light that lasts only a few fem to seconds1 what is the length of a pulse of violet
local noon at 0o longitude corresponds to 1200utc a given that our longitude is 84o 28 33 w what is our local noontime