If the fifth order minimum in the diffraction pattern of a thin slit is at 40° from the central maximum, what is the highest order minimum in the pattern?
A) 6
B) 11
C) 8
D) 7
E) 9
D
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Planck's constant is about 7 × 10-34, in metric units. Suppose that Planck's constant were larger than it is actually is. Which of the following would then occur?
A) Individual photons would have larger energies, making it easier to observe individual photons. B) Individual photons would have larger wavelengths, making it easier to observe individual photons. C) Individual photons would move faster, even though the overall wave speed of electromagnetic radiation would not change. D) Individual photons would have shorter wavelengths, making it harder to observe individual photons. E) Individual photons would have smaller energies, making it harder to observe individual photons.
According to the Pauli Exclusion Principle for n = 4, the occupation limit of electrons is:
The wave functions of some molecules are a combination of wave functions with different values of the orbital quantum number . The wave function of PF5 combines s, p and d states in an sp3d hybrid orbital. We would expect such an overlap of wave functions in individual molecules to represent
a. ionic bonding b. metallic bonding. c. covalent bonding. d. Van der Waal's bonding. e. hydrogen bonding.
A beam of light in air is incident at an angle of 46° to the surface of a rectangular block of clear plastic (n = 1.46). The light beam first passes through the block and re-emerges from the opposite side into air at what angle to the normal to that surface?
a. 23° c. 46° b. 59° d. 30°