The person who developed the exclusion principle was __________

Fill in the blank(s) with correct word


Wolfgang Pauli

Physics & Space Science

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Suppose that the star Betelgeuse (the upper left shoulder of Orion) were to supernova tomorrow (as seen here on Earth). What would it look like to the naked eye?

A) Betelgeuse would suddenly appear to grow larger in size, soon reaching the size of the full Moon. It would also be about as bright as the full Moon. B) Betelgeuse would remain a dot of light, but would suddenly become so bright that, for a few weeks, we'd be able to see this dot in the daytime. C) We'd see a cloud of gas expanding away from the position where Betelgeuse used to be. Over a period of a few weeks, this cloud would fill our entire sky. D) Because the supernova destroys the star, Betelgeuse would suddenly disappear from view.

Physics & Space Science

A charge of 8.0 pC is distributed uniformly on a spherical surface (radius = 2.0 cm), and a second charge of ?3.0 pC is distributed uniformly on a concentric spherical surface (radius = 4.0 cm). Determine the magnitude of the electric field 5.0 cm from the center of the two surfaces.

A. 14 N/C B. 11 N/C C. 22 N/C D. 18 N/C E. 40 N/C

Physics & Space Science

If y = 0.02 sin (30x ? 400t) (SI units) and if the mass density of the string on which the wave propagates is 0.005 kg/m, then the transmitted power is

a. 1.03 W. b. 2.13 W. c. 4.84 W. d. 5.54 W. e. 106 W.

Physics & Space Science

Diffraction grating #1 has twice the lines/cm that diffraction grating #2 does. When used with a certain wavelength of light, both gratings give first order (m = 1) maxima. Which of the following statements is true for the same wavelength of light

a. Both gratings must also give second (m = 2) order maxima. b. It is possible that neither grating gives a second order maximum. c. Grating #1 must give a second order maximum. d. Grating #2 must give a second order maximum.

Physics & Space Science