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A microscope has an objective lens with an aperture diameter 0.6 cm. A monochromatic light source of 580 nm is used to illuminate the object. It is determined that the minimum angle of resolution is 1.18 x 10^-4 rad. If the present lens were replaced by one with an aperture of diameter 0.9cm, what would the minimum angle of resolution now become? (1nm = 10^-9 m). Show work please.
The "power cube" transformer for a portable CD player has an output of 4.5 V and 550 mA (both rms) when plugged into a 120 V/60 Hz outlet. What is the peak current in the primary coil
A typical American family uses 700 kWh of electricity a month. On average, what is the resistance of a household
Fish are hung on a spring scale to determine their mass (most fishermen feel no obligation to report the mass truthfully). How far apart are the half-kilogram marks on the scale
You are standing between two plane mirrors that are parallel to each other. Determine the first two mirror positions on each side of you relative to the mirrors
A current loop, carrying a current of 4.0 A, is in the shape of a right triangle with sides 30, 40, and 50 cm. Find the magnitude of the magnetic dipole moment of the loop
A large cylindrical tank contains 0.720 of nitrogen gas at 22.0 and 1.20×105 (absolute pressure). What will be the pressure if the volume is decreased
A father racing his son has three-fifths the kinetic energy of the son, who has one-third the mass of the father. What is the original speed of the father
A loudspeaker of mass 21.0 {rm kg} is suspended a distance of h = 2.40 {rm m} below the ceiling by two cables that make equal angles with the ceiling. Each cable has the length of l = 3.90 {rm m}.
An incompressible fluid is flowing through a pipe with a constriction. The pipe is on an incline with an angle of 30.0 degrees. What is the pressure in the narrow section of the pipe
6.00 mole of nitrogen (N2) gas and 6.00 mole of argon (Ar) gas are in separate, equal-sized, insulated containers at the same temperature. What is the change in entropy of the environment
As astronauts travel between the Earth and the moon, their mass remains constant, but their weight diminishes. Determine the minimum weight an astronaut would have
The tension in a string is 20.6 n and its linear density is .649 kg/m. A wave on the string travels in the -x direction. It has amplitude of 3.71 cm and a frequency of 10.6 hz. What are the speed and wavelength of wave.
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