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A linearly polarized plane wave of wavelength lembda, is travelling in air and ia incident normally on a plane sheet of glass. Show that the ratio of the reflected to the incident electric field amplitude is (n(glass)-n(air))/(n(glass)+n(air)) where n(air) and n(glass) are the refractive indices of air and glass respectively.
The glass sheet is now coated on the incident side with a material with a refractive index n(coat) = √((n(air)*n(glass))) and a thickness d = λ/4. Prove that there is now, in principle, no reflected power.
The maximum intensity per unit wavelength of an ideal blackbody occurs at the same wavelength as the electromagnetic radiation absorbed in a transition from the fourth excited state to the sixth excited state in a hydrogen atom
At what angle, theta, counterclockwise from the x-axis, is the force oriented with respect to the ground
what slit separation required to desired interference patten.
The ramp is coated with a substance that has a kinetic coefficient of friction of 0.25. The block is placed at the bottom of the ramp. What initial speed should be imparted to the block so the block travels 5m up the ramp?
An astronaut in a rocket passes a meter stick moving parallel to its long dimension. The astronaut measures the meterstick to be .80 m long. How fast is the rocket moving with respect to the meter stick?
A point charge q = ?2.3 nC is initially at rest adjacent to the negative plate of a capacitor, What is the potential difference between the plates
If the coefficient of friction between the block and the floor is 0.40, what is the mass of the block.
what is the electric field amplitude associated with the light from a red laser pointer? assume power0.10mw with a
How is relative motion between the field and coil induced? What controls do you have for changing the relative motion? What is the relationship between the units of RPMand radians per second
Find the critical angle of incidence for a ray of light going from a diamond to air
Monochromatic light has one wavelength. Fluorescent lights are a source of coherent light. Destructive interference occurs when two waves differ in phase by 180 degrees. A phase difference of 360 degrees is the same as a path dissimilarity of one hal..
A tank of gasoline (n = 1.40) is open to the air (n = 1.00). A thin film of liquid floats on the gasoline and has a refractive index that is between 1.00 and 1.40. What is the refractive index of the film
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