In a diffraction experiment, light of 600 nm wavelength produces a first-order maximum 0.350 mm from the central maximum on a distant screen
A second monochromatic source produces a third-order maximum 0.870 mm from the central maximum when it passes through the same diffraction grating. What is the wavelength of the light from the second source?
A)
479 nm
B)
497 nm
C)
567 nm
D)
749 nm
E)
794 nm
B
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Charges q and Q are placed on the x axis at x = 0 and x = 2.0 m, respectively. If q = ?40 pC and Q = +30 pC, determine the net flux through a spherical surface (radius = 1.0 m) centered on the origin.
A. ?9.6 N ? m2/C B. ?6.8 N ? m2/C C. ?8.5 N ? m2/C D. ?4.5 N ? m2/C E. ?1.1 N ? m2/C
Asteroid 433 Eros is one of the largest near-Earth asteroids. For purposes of this problem, assume it is spherical. The value of g at its surface is 0.00600 m/s2 and the escape velocity is only 9.95 m/s. What is the radius of Eros?
A) 8250 m B) 16,000 m C) 1600 m D) 800 m E) 400 m
Earthquake waves are monitored by an instrument called a(n) ______________
Fill in the blank(s) with correct word
If Mars is on your meridian at midnight, it is a great time to view Mars and we say that Mars is at
a)Perihelio b)greatest elongation c)conjuction d)opposition