Neon sign through a diffraction grating
If you looked at an incandescent light bulb and a neon sign through a diffraction grating, describe the differences you would observe in the spectra. Explain your reasoning.
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A parallel beam of light from a He-Ne laser, with a wavelength of 652 nm, falls on two very narrow slits 0.050 mm apart. How far apart are the fringes in the center of the pattern on a screen 2.7 m away?
When a 58-g tennis ball is served, it accelerates from rest to a speed of 47 m/s. The impact with the racket gives the ball a constant acceleration over a distance of 38 cm. What is the magnitude of the net force acting on the ball?
A simple harmonic oscillator consists of a block of mass 4.80 kg attached to a spring of spring constant 60 N/m. When t = 4.00 s, the position and velocity of the block are x = 0.129 m and v = 3.415 m/s.
Describe four (4) challenges public managers must consider in implementing a public personnel evaluation system.
The electrons in a metal that produce electric currents behave approximately as molecules of an ideal gas. The mass of an electron is me = 9.109·10-31 kg. If the temperature of the metal is 311 K, what is the root-mean-square speed of the e
The temperature of the surface of a certain star is K. Most hydrogen atoms at the surface of the star are in the electronic ground state. What is the approximate fraction of the hydrogen atoms that are in the second excited state
During a circus performance, a 71-kg human cannonball is shot out of an 17-m-long cannon. If the human cannonball spends 1.04 s in the cannon, determine the average net force exerted on him in the barrel of the cannon.
What is Gaudium et Spes' understanding of the human person. Is the anthropology theological? How so?
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