Classical theory predicted that the photocurrent, of the photoelectric effect, should be proportional to the
A) frequency of light.
B) wavelength of light.
C) intensity of light.
D) electric field magnitude.
C
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Suppose you find a meteorite made almost entirely of metal. According to current science, which of the following statements must be true?
A) Your meteorite is a fragment from the core of a large asteroid that shattered in a collision. B) Radiometric dating will show the age of your meteorite to date to the formation of our solar system. C) Your meteorite was blasted off the surface of Mars by an impact. D) Your meteorite is a fragment of an object from the Kuiper belt.
The figure below shows a planet traveling in a counterclockwise direction on an elliptical path around a star located at one focus of the ellipse. When the planet is at point A,
A. its speed is decreasing. B. its angular momentum is increasing. C. the gravitational force does no work on the planet. D. all of the above are correct. E. none of the above is correct.
A Carbon-14 nucleus decays to a Nitrogen-14 nucleus by beta decay. How much energy (in MeV) is released if Carbon-14 has a mass of 14.003074 u and Nitrogen-14 has a mass of 14.003242 u?
What will be an ideal response?
Of the following lenses, which is not a converging lens?
A) concave meniscus B) planoconcave C) double convex D) planoconvex E) All of the above are not converging lenses.