When atoms of an element are heated enough that they lose electrons, their emission and absorption spectra change
Indicate whether the statement is true or false
TRUE
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A diffraction grating with 11 800 lines/cm will exhibit the first-order maximum for light of wavelength 416 nm at what angle? (1 nm = 10?9 m)
a. 0.513° b. 0.281° c. 58.8° d. 29.4° e. 15.1°
Significant Figures: Which of the following numbers has 4 significant figures; which has 5 significant figures?(a) 3001(b) 0.00370(c) 4774.00(d) 29.290
What will be an ideal response?
Exhibit 12-1
The figure below shows a graph of angular velocity versus time for a woman bicycling around a circular track.
?
?
Use this exhibit to answer the following question(s).
Refer to Exhibit 12-1. How many revolutions does she complete in the first 12 minutes?
A. 4 B. 8 C. 12 D. 16 E. 32
A metal blade of length L = 60 cm spins at a constant rate of 15 rad/s about an axis that is perpendicular to the blade and through its center
A uniform magnetic field B = 4 mT is perpendicular to the plane of rotation. What is the magnitude of the potential difference between the center of the blade and either of its ends? A) 2.7 mV B) 1.3 mV C) 5.1 mV D) 9.1 mV E) 7.8 mV