Blue light differs from red light in that
a. blue light has a higher energy than red light.
b. blue light has a lower energy than red light.
c. blue light has a shorter wavelength than red light.
d. blue light has a longer wavelength than red light.
e. More than one of the other choices are correct.
e
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The ground-state energy of an electron in a hydrogen atom is ?13.6 eV. This means that the binding energy of that electron is
A. ?13.6 eV. B. +13.6 eV. C. Some other value (specify).
If kerosene costs 130. Passi per liter, and one dollar buys 227. Passi; what is its cost in DOLLARS per GALLON? [1.00 gallon = 3.79 liters]
What will be an ideal response?
A heat engine has an efficiency of 35.0% and receives 150 J of heat per cycle. (a) How much work does it perform in each cycle? (b) How much heat does it exhaust in each cycle?
What will be an ideal response?
Various singly-ionized atomic nuclei of the same speed are directed into a magnetic field in a mass spectrometer where they are deflected and strike a detecting screen. The particles most strongly deflected are those of
A) least mass. B) greatest mass. C) same for all