When a single slit that is 0.050 mm wide is illuminated by light of 550-nm wavelength, what is the angular separation between the first two minima on one side of the central maximum?
A) 0.36°
B) 0.47°
C) 0.54°
D) 0.63°
E) 1.3°
D
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Specific heat capacity of ice = 2,000 J/kg-°C latent heat of fusion of water = 334,000 J/kg specific heat capacity of water = 4,000 J/kg-°C After the 1 kg block of ice melts, the amount of heat required to raise its temperature to 10°C is 3,340,000 J
a. True b. False Indicate whether the statement is true or false
Spectra for the Cygnus loop and the Orion nebula are shown above. Judging from their spectra, how would these two objects look to the naked eye (assuming they were bright enough for colors to be distinguished)?
A) The Cygnus loop would appear red, and the Orion nebula would appear blue. B) The Cygnus loop would appear red, and the Orion nebula would appear red. C) The Cygnus loop would appear blue, and the Orion nebula would appear blue. D) The Cygnus loop would appear blue, and the Orion nebula would appear red.
A satellite is in an elliptical orbit around Earth. At one point on the ellipse, it is 25 × 106 m from the center of Earth and has a speed of 12,000 m/s
What is its speed when it is at another point on the ellipse, 95 × 106 m from the center of Earth? The mass of Earth is 5.97 × 1024 kg and G = 6.67 x 10-11 N•m2/kg2. A) 12000 m/s B) 11000 m/s C) 10000 m/s D) 9000 m/s E) 8000 m/s
Mars is an example of a Jovian planet
Indicate whether the statement is true or false