What is the temperature of a system in thermal equilibrium with another system made up of ice and water at one atmosphere of pressure?
a. 0°F
c. 0 K
b. 273 K
d. 100°C
B
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The speed of a typical car on the freeway expressed in SR units is most nearly
A. 10-7 B. 10-10 C. 10-8 D. 10-6 E. 10-4 F. Other (specify) T. None of these answers is right: we must state units!
A diffraction grating is to be used to find the wavelength of the emission spectrum of a gas. The grating spacing is not known, but light of a known wavelength of 632.8 nm is deflected by 43.2° in the second order by this grating
Light of the wavelength to be measured is deflected by 34.9° in the second order. What is the wavelength of the light that is to be measured?
A parallel-plate capacitor is disconnected from a battery, and the plates are pulled a small distance further apart. Does the energy stored in the capacitor increase, decrease, or stay the same?
1.increase 2.decrease 3.remains the same
The bob of a simple pendulum has its maximum kinetic energy at the
A) top of its swing. B) bottom of its swing. C) midpoint between top and bottom. D) at all points along its path of swing.