Thin Films: Light has a wavelength of 600 nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the wavelength of the light in the glass?
A. 600 nm
B. 500 nm
C. 400 nm
D. 300 nm
E. 900 nm
Answer: C
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When our Earth becomes tidally locked with the Moon, which of the following statements will be true?
A. The Moon will only be visible from one side of Earth. B. An astronaut on the Moon will always see the day side of Earth. C. There will be no eclipses. D. The Moon will not go through phases.
A circular loop of one turn and radius 5.0 cm is positioned with its axis parallel to a magnetic field of 0.60 T. By means of high explosives, the area of the loop is suddenly reduced to essentially zero in 0.50 ms. What emf is induced in the loop?
What will be an ideal response?
Black holes erupt when matter flows into their accretion disk
a. True b. False Indicate whether the statement is true or false
A puck with a mass m1 = 50 g moving at 1.0 m/s approaches a stationary puck with a mass m2 = 100 g on a frictionless air table,
and they undergo a sudden two-dimensional elastic collision. After the collision, both pucks have identical speeds, but travel in different directions. What is the angle between the original and final paths of puck with mass m1? A) 30° B) 60° C) 90° D) 120° E) 150°