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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
in the illustration above two glass plates have a very slight angle between them because a speck of dust props up one
sodium atoms in a bose-einstein condensate can slow the speed of lights energy propagation to 70 kmhr find the index of
1 a 4 l sample of a diatomic gas with specific heat ratio 14 confined to a cylinder is carried through a closed cycle
a camera manufacturer wishes to deposit a non-reflective coating onto a glass lens for a wavelength of 550 nm the index
1explain why studying the types of chips produced is important in understanding cutting operations2tool life can be
1 an astronaut loses contact with the hull of a space station and finds himself floating 16m from the station with zero
determine using the chemical balance equations the stoichiometric fuelair ratio for the complete combustion of c12h26
a large aluminumized-mylar balloon contains 1000 m3 of helium when filled outdoors at 0 degrees c on a winters daywhat
a beaker with a metal bottom is filled with 20 g of water at 20 degrees celsius it is brought into good thermal contact
acid rain is a growing worldwide environmental problem naturally rainwater should have a ph of not less than 55 but in
1 explain the communication process of neurons in the brain list some common neurotransmitters and describe their
300 grams of water at 0 degrees are placed in a copper container weighing 120 grams in which 35 grams of ice at 0
a a pressure cooker is a pot whose lid can be tightly sealed to prevent gas from entering or escaping if an otherwise
a scientist notices that an oil slick floating on water when viewed from above has many different rainbow colors