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The wavelength of red helium-neon laser light in air is 632.8 nm. (a) What is its frequency?
Light of wavelength 700 nm is incident on the face of a fused quartz prism (n = 1.458 at 700 nm) at an incidence angle of 78.0°. The apex angle of the prism is 60.0°. (a) Calculate the angle
The index of refraction for red light in water is 1.331 and that for blue light is 1.340. A ray of white light enters the water at an angle of incidence of 60.8°
A globular cluster at its farthest point from the galactic center is at a distance of 104 pc. What is its period of galactic revolution?
Fiber optics, derive the characteristic equation of the graded-index optical fiber.starting from maxells equations
The two spaceships are traveling in the same direction and, while both are passing overhead, an Earth observer measures the two spaceships to have the same length. If the slower spaceship is moving
A proportional control system is to be used to control the wing flaps of a jet airplane. The wind load is expected to cause as much as 600 in · lb of torque. The system should be able to keep
A telescope consists of a mirror with radius of curvature 4.5 m and an eyepiece. If an astronomer would like the telescope to have a magnification of 181, what focal length eyepiece should he use?
The lens of a slide projector with a focal length of a 120 mm projects a slide onto a screen that is 13 m away. How far from the lens must the slide be placed to form a sharp image on the screen? (
Light of wavelength 696 nm is incident on a single slit. The central bright fringe is 2.63 cm wide on a flat screen that is 87.3 cm from the slit. What would be the width of the central bright frin
Find the total energy, the heat capacity, and the entropy of a system of these particles. Sketch these properties as a function of the temperature and compare them with the corresponding properties
What is the speed of the object after it has fallen 94 cm after being released from rest? Use energy considerations.
A container of volume 1*10^-5 cm^3 holds three molecules of gas b, which we label b1, b2, and b3. In 1 second, there are two b1-b2 collisons, two b1-b3 collisions, and two b2-b3 collisons.
Dry air had a CO2 mole fraction of 0.00038 in 2007 (compared with 0.00032 in 1965). Calculate the total mass of CO2 that strikes 1 cm^2 of one side of a green leaf in 1 s in dry air at 25oC and 1.0
Consider samples of pure H2(g) and pure O2(g), each at 300 K and 1 atm. For each of the following properties state which gas has the greater value
Neglecting the variation of T with altitude and using the average surface temperature of 290K and the number average molecular weight of 29 for air, calculate the atmospheric pressure at the top of
For N2 at 25oC and 1.00 atm calculate the number of collisions per second made by one molecule; the number of collisions per second per cubic centimeter; compare these values to N2 at 25oC and 1.0*
Solve the Schrodinger equation to derive the wave function for x < 0 and x >= 0. Express the solution in terms of a single unknown constant.
Find an expression for the efficiency if the working fluid is an ideal gas with Cv its constant volume heat capacity.
The lens of a slide projector with a focal length of 100.0 mm projects a slide onto a screen that is 14.0 m away. How far from the lens must the slide be placed to form a sharp image on the screen?
What is the largest value of the fundamental unit of charge that is consistent with your measurements?
Two asteroids head straight for Earth from the same direction. Their speeds relative to Earth are 0.79c for asteroid 1 and 0.60c for asteroid 2. Find the speed of asteroid 1 relative to asteroid 2.
(a) Find the wavelength of the sound upwind of the siren. (b) Find the wavelength of the sound downwind of the siren.
A 86-mW vertically polarized laser beam passes through a polarizer whose polarizing angle is 25° from the horizontal. What is the power of the laser beam when it emerges from the polarizer?