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Laser light of wavelength 601 nm is incident on a circular aperture which has a diameter of 0.025 mm.
A diffraction pattern is observed on a screen which is placed 61 cm from the aperture.
Give your answer to at least three significant figures. Answer must be accurate to 1%.
What is the diffraction angle, θ, of the first diffraction minimum? (degrees)
What is the distance, on the screen, from the center of the central bright spot to the first dark ring? (cm)
Two liquids, A and B, are mixed together, and the resulting temp is 22C. If liquid A has mass m and was initially at temp 35C, and liquid B has mass 3m and was initially at temp 11C, cacluatle the ratio of the specific heats of..
A ball is thrown up with an initial speed of 32m/s from a height of 84m. How long is the ball in the air? What is its impact speed with the ground? At what time wills the object be halfway between the starting point and the ground,
The electric field within the membrane separating the inside and outside of a biological cell is approximately 7.7MV/m, what is the potential difference across the membrane
A 1.00kg ball is at rest on the floor in a 2.10m * 2.10m * 2.10m room of air at STP. Air is 80% nitrogen (N2) and 20% oxygen (O2) by volume. What is the thermal energy of the air in the room
Near the earth the intensity of radiation from the sun is 1.35 kW/m2. What volume of space in this region contains 1.0 J of electromagnetic energy? (c = 3.0 x 108 m/s, ?0 = 4? × 10-7 T ? m/A, ?0 = 8.85 × 10-12 C2/N ? m2) options:
Determine how strong is the electric field (in volts/meter) between two parallel plates 1.00 millimeter. apart if the potential difference between them is 310 Volt
In a certain region, the earth's magnetic field has a magnitudeof 5.1 x 10-5 T and is directed north at an angle of64° below the horizontal. An electrically charged bullet isfired north and 13° above the horizontal, with a speed of 630m/s. The magn..
The figure below shows a conducting rod sliding along a pair of conducting rails. The conducting rails have an angle of inclination of theta= 39.0 degrees. What is the rod's terminal speed?
your friend has been given a laser for her birthday. unfortunately she did not receive a manual with it and so she
The contains 410 turns and has an area per turn of 3.1 x10-3 m2. The magnetic field is 0.23 T, andthe current in the coil is 0.26 A. What is themagnitude of the minimum normal force
What would be the height of the atmosphere if the air density were uniform and decreased linearly to zero with height
A source emits sound uniformly in all directions. There are no reflections of the sound. find the total sound power P emitted by the source
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