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If you have a light wave that travels through a couple of slits which are .174 mm apart, the light travrls to a screen which is 1.3 m away and forms a pattern that has its first bright fringe at a distnace of 3.5 mm from the middle fringe what would you say the wavelength of the source light is? How would pattern change if distance between slits doubles?
Discover the horizontal and vertical displacement
q1. two slits are illuminated by a 621nm light. the angel between the zeroth-order bright band at the center of the
Suppose the traffic light is hung so that the tensions T1 and T2 are both equal to 84.7 N. Find the new angles they make regarding the x axis. (By symmetry, these angles would be the same.)
In a diesel engine, the piston compresses air at 302 K to a volume that is 0.0612 of the original volume and the pressure that is 46 times the original pressure. What is the temperature of the air after the compression.
A sophomore with nothing better to do adds heat to 0.440kg of ice at 0 oC until it is all melted. The source of the heat is a very massive body at a temperature of 25.0 oC. What is the change in entropy of this body
A 2.20 kg frictionless block is attached to an ideal spring with forces constant 314N/m. At first the block has velocity -3.60 m/s and displacement 0.300-m.
When operated on a household 110-V line, typical hair dryers draw about 1650 W of power. What is the resistance of the dryer
Two ice skaters, with masses of 30.0kg and 75.0kg , are at the center of a 30.0m -diameter circular rink. how long does the lighter skater take to reach the edge
One cubic meter of water flowing over Niagara Falls in New York drops 92.8 meters. how much heat energy would the water have
think about the modes of substances in the gas phase and explain why potential energy is included in the thermal energy of some substances in the gas phase, when a monatomic solid/liquid turns into a gas, what are the PE and KE equal to then
Find the distance from the mirror to the point where the reflected rays meet.
Suppose a single electron orbits about a nucleus containing two protons (+2e), as would be the case for a helium atom from which one of the naturally occuring electrons is removed. The radius of the orbit is 3.45 × 10-11 m. Determine the magnitude..
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