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Electromagnetic waves of wavelength 0.178 fall on a crystal surface. As the angle of incidence is gradually increased, starting at 0, you find that the first strong interference maximum occurs when the beam makes an angle of 22.8 with the surface of the crystal planes in the Bragg reflection.
What is the distance between the crystal planes?
At what other angles will interference maxima occur?
Monochromatic light of variable wavelength is incident normally on a thin sheet of plastic film in air. The reflected light is a maximum only for 472.9 and 696.0 in the visible spectrum. What is the minimum thickness of the film.
What is the amplitude of the oscillations . Could you think of a simple method for determining the focal length of a converging lens.
A flywheel 0.500 m in diameter pivots on a horizontal axis. A rope is wrapped around the outside of the flywheel, and a steady pull of 75.0 N is exerted on the rope. What is its moment of inertia about the rotation axis
Physics - Classical Mechanics - Inclined Plane, A packing crate is placed on a plane inclined at an angle of 350 from horizontal. If the coefficient of static friction
Compute the acceleration of a 0.55m diameter car tire while the car is travelling at a constant speed of 25m/sec. b. compare this with the acceleration experienced by a jet car tire diameter 1 when setting a land speed record of 310m/sec.
A small rocket is powered upward on lift-off by an engine thrust of 12,000-N. If the resulting upward acceleration is 6.40m/s^2, what is the mass of the rocket?
find the lenght of electromagnetive waves if end of frequency omega 10 in 5 hertz omega and absonant is 885 15 perimeter
A toroid having a 7.2 cm square cross section and inside radius of 22.8 cm has 170 turns of wire and carries a current of 1.8 A. What is the magnetic flux through the cross section
A hand-pumped water gun is held level at a height of 0.84 m above the ground and fired. Find the gauge pressure of the water gun's reservoir
Is it safe to use zero for the initial velocity in equations?
How much heat is released when a mixture containing 23.0 g CS2 and 23.0 g Cl2 reacts by the following equation CS2(g) + 3Cl2(g) ---> S2Cl2(g) + CCl4(g) delta H= -230 kJ
The refractive index of a material is 2.58. What is the critical angle for a light ray
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