Line waves with wavelength ? going through a slit with width a will be diffracted into circular waves with approximately equal amplitude in all forward directions
A. Always
B. Never
C. Only if ? >> a
D. Only if a >> ?
E. Only if a = ?
C. Only if ? >> a
Physics & Space Science
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The orbital motion of a wave is greatest (has the largest "diameter") at
A) the wave base. B) about one-half the depth of the wave base. C) a depth of one-half the wavelength. D) the surface.
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What will you see with the following type of optic: Concave mirror
A. Image is smaller |
B. Image is the same |
C. Image is larger |
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What factors are important when trying to classify a spiral galaxy?
a. amount of dust and gas in the galaxy b. structure of the spiral arms c. size of the central region d. All of the other choices are important.
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How have supernovae affected the development of life on Earth?
What will be an ideal response?
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