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Light of wavelength 418 nm is incident normally on a film of water 1.0 µm thick. The index of refraction of water is 1.33.
(a) What is the wavelength of the light in the water? (nm)
(b) How many wavelengths are contained in the distance 2t, where t is the thickness of the film? (Do not round your answer to a whole number.)
(c) What is the phase difference between the wave reflected from the top of the air-water interface and the one reflected from the bottom of the water-air interface in the region where the two reflected waves superpose? (rad)
The three charged particles in the figure below are at the vertices of an isosceles triangle (where d = 3.80 cm). calculate the electric potential at point A, the midpoint of the base
Only two forces act on an object (mass = 3.30 kg), as in the drawing. (F = 79.0 N.) Find the magnitude and direction (relative to the x axis) of the acceleration of the object
An infinitely long line of charge has a linear charge density of 5.00×10−12 C/m. A proton is at distance 19.0 cm from the line and is moving directly toward the line with speed 2000 m/s. Explain how close does the proton get to the line of charge?
A 5.00--long ladder has mass 12.5 kg and is leaning against a frictionless wall, making a 64 degree angle with the horizontal. If the coefficient of friction between the ladder and ground is 0.42, what is the mass of the heaviest person who can safel..
Azelastine hydrochloride is an antihistamine nasal spray. A standard size container holds one fluid ounce (oz) of the liquid. You are searching for this medication in a European and are asked how many milliliters (mL) there are in 3.7 fluid ounces..
An electric field E with an average magnitude of about 150 N/C points downward in the atmosphere near Earth's surface, What charge (both sign and magnitude) must be used
Light is reflected from a transparent coffee table. When the angle of incidence is 63.3°, What is the index of refraction of the material of the table
Resistivity measurements on the leaves of corn plants are a good way to assess stress and overall health, What is the resistivity of the leaf tissue
You lower a weight of metal in a beaker filled with water standing on a scale. When metal weight hangs above the water weighs 179.6 grams.
A 1300 {rm N} crate slides 13 {rm m} down a ramp that makes the angle of 30^circ with the horizontal. If the crate slides at a constant speed, how much thermal energy is created.
A 460-Hz tuning fork causes resonance in the tube depicted in the figure below when the length L of the air column above the water is 18.3 and 55.8 cm, Find the speed of sound in air
Assume that the earth is a uniform density spherical mass. (This assumption is not correct but we will use it for simplicity in working the problem.)
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