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Chapter 37: Q. 55 (page 1063)
A 5.4-cm-diameter cylinder has a length of 12.5 cm. What is the cylinder’s volume in SI units?
The volume of the cylinder is 2.86 x 10-4 m3.
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What temperature, in °C, is a blackbody whose emission spectrum peaks at (a) and (b)?
Figure 37.7 identified the wavelengths of four lines in the Balmer series of hydrogen.
a. Determine the Balmer formula n and m values for these wavelengths.
b. Predict the wavelength of the fifth line in the spectrum
An alpha particle (a bare helium nucleus with q=+2e) accelerates across a 100 V potential difference, starting from rest. What is the particle’s kinetic energy in eV when it reaches the negative electrode? This question requires no mathematics beyond what you can do in your head.
The current in a Crookes tube is. How many electrons strike the face of the glass tube each second?
A cosmic ray travels through the earth’s atmosphere in, as measured by experimenters on the ground. How long does the journey take according to the cosmic ray?
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