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Light of wavelength 5.0*10^-7 m in air is incident normally (perpendicular) on a doubled slit. The distance between the slit is 4.0*10^-4 m, and the width of each slit is negligible. Bright and dark fringes are observed on a screen 2.0 m away from the slits.
A) Caculated the position of the first antinode (bright fringe) on the screen.
B) Caculated the position ofthe second node (dark frine) on the screen.
C) If the distance between the slits is decrease by a factor of ten then the position of the first antinode will be greater than, less than or same as the position caculated in part A. Vertify your response with calculation.
Using the same set up as before but replacing the double slit with diffraction grating a first order antinodes is found 0.5 mm above the central antinode.
D) Caculate the line density in slits/mm of the diffraction grating.
The component of the external magnetic field along the central axis of a 50-turn coil of radius 5.6 cm increases from 0 T to 1.8 T in 3.6 s, what is the magnitude of the induced current in the coil
If the heavier fragment lands back at the equal point from which the shell was launched, where will lighter fragment land and how much energy was released in the explosion.
Explain how much mechanical energy is lost due to friction acting on the runner? How far does he slide?
A gymnast with mass m1 = 47 kg is on a balance beam that sits on (but is not attached to) two supports. The beam has a mass m2 = 118 kg and length L = 5 m. Each support is 1/3 of the way from each end. Initially the gymnast stands at the left end ..
A refracting telescope has an objective lens of focal length 16.0in and eyepieces of focal lengths 12.0mm, What are the largest and smallest angular magnifications
A 100 kg cannon at rest contains a 10-kg cannon ball. When fired, cannon ball leaved the cannon with a speed of 450 m/s. What is the recoil speed of the cannon.
A man slides along a long water slide and then being launched into the air to land in a water pool. Find the magnitude of the velocity at launch
A 5.1 kg bucket of water is raised from a well by a rope. find the force exerted by the rope on the bucket.
The femur is a bone in the leg whose minimum cross-sectional area is about 3.60 multiply.gif 10-4 m2. Find the maximum stress that this bone can withstand
A Goodyear blimp typically contains 6280 m3 of helium (He) at an absolute pressure of 1.10 x 105 Pa. What is the mass (in kg) of the helium in the blimp
two capacitors, when connected in series have an equivalent capacitance of 200 microfarads. calculate the capacitance of each capcitor
A krypton laser produces a cylindrical red laser beam 2.0 in diam with 2.0 of power. What is the light intensity on a wall 2.5 away from laser.
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