Diffraction Gratings: A diffraction grating has 5150 lines per centimeter ruled on it. What is the angular separation between the first- and the third-order bright spots on the same side of the central maximum when the grating is illuminated by a beam of light with wavelength 633 nm?
Fill in the blank(s) with the appropriate word(s).
58.9°
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About 540 million years ago, a sudden increase in biological complexity occurred, known as the _______________
Fill in the blank(s) with correct word
Light of wavelength 550. nm in air is found to travel at 1.96 × 108 m/s in a certain liquid
(a) Determine the index of refraction of the liquid. (b) Determine the frequency of the light in air.
How are intermolecular forces and solubility related?
A) Solubility depends on the solvent's ability to overcome the intermolecular forces in a solid. B) Solubility depends on the solute's ability to overcome the intermolecular forces in the solvent. C) Solubility is a measure of how strong a solvent's intermolecular forces are. D) Solubility is a measure of how weak the intermolecular forces in the solute are. E) none of the above
When a switch is closed, completing an LR series circuit, the time needed for the current to reach one half its maximum value is ____ time constants
a. 0.250 b. 0.500 c. 0.693 d. 1.00 e. 1.44