The 200-inch-diameter concave mirror of the Hale telescope on Mount Palomar has a focal length of 16.9 m An astronomer stands 20.0 m in front of this mirror Where is her image located? Is it in front of or behind the mirror?

Q: Object placed at a distance of 2.0 m from a screen. The focal length appropriate for a lens must be…

A: Magnification equation

Q: A person has a near point of 40 cm and a far point of 2.0 m. When looking through lenses of focal…

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Q: The moon is 3.5 × 10^6 m in diameter and 3.8× 10^8 m from the earth's surface. The…

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Q: A concave spherical mirror of 20 cm radius is to be used to project an image of a candle onto a wall…

A: Since you have posted multiple questions, we will provide the solution only for the first question…

Q: where would its image be located? Will the image be on the same side of the lens as the object? Is…

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Q: A 1.0cm tall USB memory stick is placed in 15cm front of a convex mirror whose magnitude of radius…

A: Given that height of the object and object of distance and also given the value of radius of…

Q: An item is placed 10 cm in front of a concave mirror that has a 20-cm focal length. Determine the…

A: Given , object distance , u = -10 cm focal length , f = -20 cm Mirror formula : 1f=1u+1v Plugging…

Q: Two mirrors have the same diameter. One of them has a focal ratio of f/5 and the other f/10. How do…

A: The focal ratio of a mirror or a lens is defined as the ratio of its focal length and diameter.…

Q: A small candle of 3.5cm in size if placed 27 cm in front of a concave mirror of radius of curvature…

A: Given, Candle size, h= 3.5cm Image size is l. object distance, u=-27cm Radius of curvature ,R =-36cm…

Q: A person focusses on a page of text held 40.0 cm away from their eye. A character is 0.3 cm tall.…

A: Step 1: Step 2: Step 3: Step 4:

Q: A small candle 2.5 cm in size is placed 27 cm in front of a concave mirror of radius of curvature 36…

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Q: diverging lens has a focal point of 7 cm. An object is placed in front of the lens and an image is…

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Q: A converging lens has a focal length of 12 cm. If the object is placed 17 cm from the lens, what is…

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Q: A 5.00-cm tall light bulb is placed 55.5 cm from a concave mirror having a focal length of 15.2 cm.…

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Q: As you move an object farther away from your eye, what happens to the lens of your eye in order to…

A: Given, We have to find, what happens to the lens of our eye to form as sharp image on the retina, as…

Q: If an object were placed a distance of 10 cm from the convex lens (on the right hand side of the…

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Q: A real object in front of a convex spherical mirror can produce an image that is virtual, erect and…

A: Given data:  A real object in front of a convex spherical mirror Required: The nature of image

Q: An object is 27 cm in front of a diverging lens that has a focal length of -14 cm. How far in front…

A: Given: The focal length of the lens is -14 cm. The image is reduced by 2.3 times.

Q: A 2 cm-tall object O is placed 30 cm from the vertex V of a spherical concave mirror of radius of…

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Q: You place your friend 75 cm away from a convex mirror with a focal length of -1.5 meters. Where is…

A: 1f=1u+1vv=11f-1u=11-150 cm-175 cm=-50 cm

Q: A convex mirror has a focal length of -7.4 cm. If an object is placed 20 cm from the surface, at…

A: Using mirror formula Where  f = focal length v = Image position u = Object position

Q: The images formed by concave lenses culd be real or virtual; it depends on whether the object…

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Q: what's the correct answer? A ray passing through the center of a thin lens surrounded by air on…

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Q: . What is the largest magnification possible with this magnifying glass?

A: Answer  for largest possible magnification is  5.0. Explanation is in next step .

Q: If the diameter of the globe is 16 cm, where is the image of the person, relative to the surface of…

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Q: For a given converging lens, an object placed 1.15 m away from the lens produces an image 0.28 m…

A: Given data The object distance is given as u = -1.15 m. The image distance is given as v = -0.28 m.…

Q: A convex lens will produce a real, inverted and enlarged image when the object is located between…

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Q: An object is 29 cm in front of a convex mirror with a focal length of -21 cm. Use ray tracing to…

A: Focal length=-21cm Object distance=29cm

Q: From where you stand one night, you see the moon directly over a nearby streetlamp. You use a…

A: Solution:- This is because moon is an object at infinity while the lamp post is between infinity and…

Q: A lens with a focal length of 25 cm is placed 40 cm in front of a lens with a focal length of 5.0…

A: The image distance of the first lens can be obtained as

Q: A converging lens with a focal length of 4.0 cm is to the left of a second identical lens. When a…

A: Apply the lens equation to determine the distance of the image produced by the first lens.

Q: For a converging lens, the object lies 13 cm from the lens and the image is 21 cm from the lens on…

A: Given data:  A converging lens Object distance from lens = 13 cm Image distance from the lens = 21…

Q: A spherical mirror creates a picture. The object's magnification is -2.0.. Virtual or real? Is it…

A: Introduction: This question deals with the object's magnification is -2.0.. Virtual or real? Is it…

Q: An object is placed at a distance 6 cm in front of a concave mirror with f = 15 cm. What is the…

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Q: An CIS 17 so that the size of its image is reduced by a factor of 2.3? Number that has nocarength…

A: Focal length of diverging lens,                             The height of the image is reduced by a…

Q: An object of size 3.0cm is placed 14cm in front of a concave lens of focal length 21cm. Describe the…

A: Given:  size of object, ho = 3 cm  distance of object, u = - 14 cm  focal length of concave lens, f…

Q: An object is placed 40 cm in front of a converging lens that has a 60-cm focal length. Where will…

A: The lens formula, which is used to find the image distance for a lens, is given by:1f = 1v -…

Q: One method of measuring the focal length of a lens is to form an image of an object that is many…

A: The given expression from lens formula,

Q: For a thin lens situaiton, you have detemined the image distance is negative. Which of the following…

A: the image distance is determined to be negative for a thin lens situation