The speed of a bullet in flight is to b- estimated by using high-speed imaging technique. The method of choice involve. the use of a TV camera and flash tha exposes the scene for K seconds. The bulle is 2-5 cm long, 1 cm wide, and its range o speed is 750 ± 250 m/s. The camera optics produces an image in which the bulle occupies 10% of the horizontal resolution o 256 × 256 digital image. Determine the

Suppose a certain person’s visual acuity is such that he can see objects clearly that form an image 4.25 μm high on his retina. 1)  What is the maximum distance at which he can read the 75.0 cm high letters on the side of an airplane in km? Assume the image is formed on his retina, 2.00 cm behind the lens in his eye.

A severely myopic patient has a far point of 10.00 cm. By how many diopters should the power of his eye be reduced in laser vision correction to obtain normal distant vision for him?

People who do very detailed work close up, such asjewellers, often can see objects clearly at much closerdistance than the normal 25 cm.(a) What is the power of the eyes of a woman who can see anobject clearly at a distance of only 8.00 cm?(b) What is the size of an image of a 1.00 mm object, such aslettering inside a ring, held at this distance?(c) What would the size of the image be if the object wereheld at the normal 25.0 cm distance?

A diver immersed in the sea (nagua mar = 1.34), looks up at an angle of 67º with the horizontal. Through the hollow of a life preserver floating on the surface, he sees the tip of a fireplace on a nearby island. The height of said chimney is known to be 78 m, how far is the lifeguard from the base of the chimney?a) 47.9 mb) 88.3 mc) 105 md) 127 m

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The Sun appears at an angle of 48.1° above the horizontal as viewed by a dolphin swimming underwater. What angle does = 1.333. Enter an answer between 0° and the sunlight striking the water actually make with the horizon? (Assume nwater 90°.) O

(a) A plane mirror can be considered a limiting case of aspherical mirror. Specify what this limit is. (b) Determinean equation that relates the image and object distances inthis limit of a plane mirror. (c) Determine the magnificationof a plane mirror in this same limit. (d) Are your results inparts (b) and (c) consistent discussionson plane mirrors?

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An object is piaced1.6cmin front of the Covnea (ine cornea is thin and has approximately parallelsi1der so that the véfiection thdt Occurs as light travels from air t0 Cornea to aquious numor has essentially the same as though the aqueous numor were divectly in contact With the air. The agueous numuv has Index Of retractlon n= / 34 and the radius of curvature Of cornea is 7.smm) O what IS the Image distance For the Image Furmed by the cornea alone? B The Image Formed by the Cornea serves as an objeCF for the lens. Treat the lens as a thin lens mm benina the cornea. Flnd the op Hcal power Of the lens necessary to furm an image on the reina 30 mm from the linter Of the lens.