When an object is between the focal point and a concave mirror, so is negative. What other values must be negative for your equations to still work?
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When an object is between the focal point and a concave mirror, so is negative. What other values must be negative for your equations to still work?
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- A student notices that the image produced from a large concave mirror of a distant skyscraper of height hs= 106 m is inverted and the magnitude of the height is |hiI = 1.46 m tall. The image is located di = 178 cm in front of the mirror. A)Write an expression for the distance between the mirror and the skyscraper, ds. B) What is the distance between the mirror and the skyscraper in meters? C) What is the focal length of the mirror, f, in centimeters?The equation connecting s, p, and f for a simple lens can be employed for spherical mirrors, too. A concave mirror with a focal length of 5 cm forms an image of a small object placed 15 cm in front of the mirror. Where will this image be located? (For spherical mirrors, positive p means the image is on the same side of the mirror as the object.)A concave mirror has a radius of curvature of 15 cm. An object is placed 7.5 cm from the mirror. Classify the image formed.? (ps the answer thats already on here is wrong)
- Let IB and OB be distances from the plane mirror to the image and object, respectively. Show that IB = OB. Prove that image and object have the same size.A tall tree is growing across a river from you. You would like to know the distance between yourself and the tree, as well as its height, but are unable to make the measurements directly. However, by using a mirror to form an image of the tree and then measuring the image distance and the image height, you can calculate the distance to the tree as well as its height. Suppose that this mirror produces an image of the sun, and the image is located 0.8278 m from the mirror. The same mirror is then used to produce an image of the tree. The image of the tree is 0.9219 m from the mirror. (a) How far away is the tree? (b) The image height of the tree has a magnitude of 0.13 m. How tall is the tree? (a) do = (b) ho= i iAn object is placed a distance do = 18.0 cm in front of a convex (negative) mirror with a focal length f= -9.0 cm. What is the image distance for the image formed by this mirror? d₁ = What is the magnification for this image? m= cm Is the image upright or inverted? O no image is formed O inverted O upright Is the image real or virtual? O real O virtual O no image is formed do
- A plano-convex lens is one with a convex surface on one side and a flat surface on the other. Suppose a thin lens is made of glass with index of refraction 1.5. If the radius of curvature of the curved surface is 1.1 meters, what is the focal length of the lens? Give your answer in meters.A woman is 2 m tall, with her eyes at a height of 1.83 m. A mirror is on the wall, ending somewhat higher than her head. What is the highest point above the floor the bottom of the mirror can be so that she can still see her feet? You Answered 0.557 Correct Answer 0.915 margin of error- 1%cem 1 1 of 1 Use this information for parts G, H and I. The sideview mirror on your car is convex. When looking in this mirror, you see a car that has an actual distance of 100 m behind you (the distance from the car to the mirror) and the image appears to be only -1.961 m from the mirror. Part G What is the focal length of this mirror? Answer in units of m to four significant figures. Do not Include the units symbol. Submit Request Answer Part H If the image of the car appears to be 2.941×10¬2 m tall, what is the height of the actual car? Answer in units of m to four significant figures. Do not include the units symbol. ? Submit Request Answer Part I
- A converging mirror has a focal length of x. An object, represented by the arrow, is placed at point B, as seen in the figure here. A B C D E x The image location is best described as O (A) left of point A. O (B) between points A and B. O (C) between points D and E. O (D) no image is formed the mirror causes parallel rays. xA convex lens has a focal length of 6 cm. A candle with a height of 6 cm is 12 cm away from the lens. Find the location of the image. If the image is real give a positive answer and a virtual image should be a negative answer.An object is located 3cm in front of a concave mirror whose radius of curvature is 12cm. Find (a) the focal length of the mirror and (b) position of the image. Describe the image.