The blue tint of a coated camera lens is largely caused by what effects?
a. refraction
c. polarization
b. interference
d. diffraction
B
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First Law of Thermodynamics: A cylinder contains 8.8 moles of ideal gas, initially at a temperature of 126°C. The cylinder is provided with a frictionless piston, which maintains a constant pressure of 5.3 × 105 Pa on the gas. The gas is cooled until its temperature has decreased to 27°C. For the gas Cv = 13.73 J/mol ? K. The ideal gas constant is R = 8.314 J/mol ? K. For this process, calculate:(a) the work done by gas(b) the net change in the internal (thermal) energy of the gas(c) the heat transferred to the gas.
What will be an ideal response?
Accretion occurred sooner in the inner part of the solar system than it did in the outer regions
Indicate whether the statement is true or false
Monochromatic light (? = 500 nm) is incident on a soap bubble (n = 1.40). What is the wavelength of the light (in nm) in the bubble film?
a. 255 b. 500 c. 700 d. 357 e. 422
In a bucket of water, the instantaneous speed of the molecules is closest to
A. zero, since they don't move B. whatever speed the wood is moving C. approximately 1.7 meters per second D. approximately 1000 feet per second E. approximately 186,000 miles per second