What makes the surface of Mimas so striking?
What will be an ideal response?
The huge crater Herschel is a third as large as the moon.
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For a diverging lens, rays that enter the lens directed along lines toward the far focal point emerge from the lens
A. Parallel to the optical axis B. Diverging from the near focal point C. Converging at the far focal point D. Diverging from the far focal point.
A football is thrown upward at a 30.0° angle to the horizontal. To throw a 40.0-m pass, what must be the initial speed of the ball?
The best filter to remove the K? x-rays from a Mo x-ray tube that have a wavelength of 0.06322 nm but that transmits the K? x-rays of wavelength 0.0711 nm is
(a) Nb with a K edge of 0.06529 nm (b) Mo with a K edge of 0.06198 nm (c) Y with a K edge of 0.07276 nm (d) Ru with a K edge of 0.05605 nm
Light being amplified by stimulated emission of radiation is the principle of the photoelectric effect
a. True b. False Indicate whether the statement is true or false