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Q1. Consider a plane wave of monochromatic green light, 600 nm that is incident normally on two identical narrow slits. The slits are separated by a distance of 30um. An interference pattern is observed on a screen located a distance away from the slits. On the screen location nearest the central maximum where the intensity is zero is found to be 1.5 cm from this central point. What is the distance to the screen?
Q2. A diffraction grating with 330 {rm lines/mm} is 1.00 {rm m} in front of a screen. What is the wavelength of light whose first-order maxima will be 17.0 {rm cm} from the central maximum on the screen?
A vertical solid steel post 25 cm in diameter and 3.50 m long is required to support a load of 7100 kg. You can ignore the weight of the post. What is the strain in the post
A gas cylinder with a tight-fitting, movable piston contains 200 cm3 of air at 1.0 atm. What is the volume of gas at this depth
The aorta carries blood away from the heart at a speed of about 40 cm/s and has a radius of approximately 1.1 cm. determine the approximate number of capillaries in the human body
The radius of the aorta is about 1.0cm , and the blood passing through it has a speed of about 46cm/s, Calculate the pressure drop per cm along the aorta.
A 100 meter length of steel changes temperature by 30 C during the course of a day. If the coeffcient of thermal expansion of steel is 12 parts per million per C, what is the change in length of the steel
The orbit of earth's moon has a period of 27.3 days and a radius (semi-major axis) of 2.56 x 10-3 A.U. (= 3.84 x 105 km). What is the mass of Earth? What are the units? Show the work.
Starting from rest, a disk rotates about its central axis with constant angular acceleration. In 5.0 s, it rotates 45 rad. What was the angular acceleration during this time
The net force on the object is not zero in Tubby's frame, but there is an inertial frame in which net force is zero.
In a fluorescent tube of diameter 3 cm, 3 times 1018 electrons and 0.75 times 1018 positive ions (with a charge of +e) flow through a cross-sectional area each second
question1a 6.8 g lead bullet travelling at 520 ms is stopped by a large tree. if half kinetic energy of the bullet is
A mercury thermometer is constructed as shown below. Find the change in height of the mercury column that occurs with a temperature change of 24.0°C
a double slit is illuminated with 656.3 nm light the screen is located 80 cm from the slits, calculate the fraction of the maximum intensity 0.6 cm from the central maximum
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