A 4.0 cm high object is 20. cm in front of a 1.333 Diopter plano-convex lens
(a) Find the image position. Real or Virtual?
(b) Find the image size. Erect or Inverted?
(a) 27 cm in front of lens; virtual image
(b) 5.5 cm high; erect
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A) radio waves. B) infrared light. C) visible light. D) ultraviolet light. E) x-rays.
The buoyant force acts through the center of mass of the displaced fluid
Indicate whether the statement is true or false
A camera lens has a focal length of 50.0 mm and an aperture setting of 4.00. What is the aperture diameter of this lens?
A) 12.5 mm B) 10.1 mm C) 13.6 mm D) 14.2 mm E) 15.0 mm
A 75-N box rests on a perfectly smooth horizontal surface. The minimum force need to start the box moving is
A) 75 N. B) 7.5 N. C) 750 N. D) any horizontal force greater than zero.