Wave Characteristics: A 7.55 × 1014 Hz electromagnetic wave travels in carbon tetrachloride with a speed of 2.05 × 108 m/s. What is the wavelength of the wave in this material?
A. 272 nm
B. 301 nm
C. 338 nm
D. 361 nm
E. 397 nm
Answer: A
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Light with a wavelength of 310 nm is incident on a metal that has a work function of 3.8 eV. What is the maximum kinetic energy that a photoelectron ejected in this process can have?
A) 0.62 × 10-19 J B) 0.21 × 10-19 J C) 0.36 × 10-19 J D) 0.48 × 10-19 J E) 0.33 × 10-19 J
Small glaciers, called ______________ glaciers, form along mountains in hollow depressions that are protected from the Sun
Fill in the blank(s) with correct word
If the principal quantum number for hydrogen is 4, which one of the following is not a permitted orbital magnetic quantum number for that atom?
a. -2 c. 3 b. 0 d. 5
A cylinder containing an ideal gas has a volume of 2.6 m3 and a pressure of 1.5 × 10^5 Pa at a temperature of 300 K. The cylinder is placed against a metal block that is maintained at 900 K and the gas expands as the pressure remains constant until the temperature of the gas reaches 900 K. The change in internal energy of the gas is +6.0 × 10^5 J. How much heat did the gas absorb?
a. 0 b. 3.4E+5 J c. 6.0E+5 J d. 1.4E+6 J e. 7.8E+5 J