A converging lens is used to form an image on a screen. When the upper half of the lens is covered by an opaque screen (a) half of the image will disappear (b) complete image will be formed (c) intensity of the image will increase (d) intensity of the image will decrease

Q: An object is 20 cm in front of a diverging lens that has a focal length of -9.4 cm. How far in front…

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Q: A concave lens has focal length of 15 cm. At what distance should the object from the lens be placed…

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Q: Astigmatism is due to light rays O a. passing through the lens in the vertical direction not…

A: Introduction: Astigmatism is an eye defect in which the front surface of the eye inside the eye is…

Q: Give the position of the screen (xS) that shows the focused image, for these numbers:

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Q: A converging beam of light is incident on a concave lens of a focal length 20 cm, if the beam…

A: Solution

Q: Which of the following is an image formed by a diverging lens? O real, inverted, diminished, and…

A: Given data:  A diverging lens Required: The nature of image formed by the diverging lens

Q: A 4.0-cm-tall object is placed 16.0 cm from a diverging lens having a focal length of magnitude 16.0…

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Q: Which of the following is an image formed by a converging lens? O virtual, erect, enlarged, and…

A: Solution: Given: Which of the following is an image formed by a converging lens: A. virtual, erect,…

Q: An object arrow 2 cm high is placed 20 cm from a converging lens of focal length of 10 cm. Find…

A: height of object arrow = 2 cm Object distance (d) = 20 cm focal length (f) = 10 cm A) Using lens…

Q: A lens made out of a material with an index of refraction of 1.25 is a converging lens in air. Will…

A: Refractive index of lens, n =1.25  refractive index of water, n' = 1.33

Q: image real, inverted, diminished, and located on the same side of the lens real, inverted, enlarged,…

A: Image formed in converging lens :- (1) when object distance  ≥ f  real inverted  diminished or…

Q: An object is placed at the focal point in front of a converging lens. The real image is located: one…

A: If an object is placed at the focal point of a converging lens, the refracted rays will be parallel…

Q: What are the differences between real and virtual images? How can you tell (by looking) whether an…

A: A real image is formed when the rays of light after reflection or refraction a meet at some point…

Q: If a concave lens has focal length of -10 cm at a distance of 20 cm to the left of a spherical,…

A: This question can easily be solved by applying the basic concepts of a lens and lens formula .

Q: What is the difference between a converging lens and a diverging lens? A converging lens will cause…

A: Solution: Given: What is difference between converging lens and diverging lens? Choose the correct…

Q: The focal length of a diverging lens is negative. If f = -23 cm for a particular diverging lens,…

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

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Q: An object 5 cm in length is held 25 cm away from a converging lens of focal length 10 cm. Draw the…

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Q: For a convex lens to form a virtual image the object must be located at some distance less than the…

A: Given data:  Lens type : convex lens Image formed : virtual Required: The location of the object

Q: A magnifier convex lens with a focal length of 20 cm is used to view a 2 cm tall object. Determine…

A: Given:             focal length, f=- 20cm            size of object, h0= 2cm            position of…

Q: When using a convex lens to magnify the text for reading, what is true about the image distance…

A: A convex lens can form virtual as well as real images, so the magnification produced by a convex…

Q: n object is 11 cm in front of a diverging lens with a focal length of -7 cm Determine the location…

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Q: we have given an object part at a certain distance from a refracting surface . using the matrix…

A: To determine: The position of image plane and magnification of the optical system when an object is…

Q: from the lens. How far is the object's image from the lens?

A: GivenFocal length of converging lens, f=6.51 cmObject distance, u=10.1 cm

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: A concave lens has a focal length of -39 cm. Find the image distance and magnification that result…

A: We know, 1f=1u+1v

Q: An object is 22 cm in front of a diverging lens that has a focal length of -13 cm. How far in front…

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Q: What does the image of an object look like through a convex lens when the object is further from the…

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Q: A convex has a focal length of 10 cm. At what distance from the lens should the object be placed so…

A: Given focal length of convex lens f = 10 cm distance of image from lens v = 20 cm height of object…

Q: An object is 22 cm in front of a diverging lens that has a focal length of -11 cm. How far in front…

A: thank you so much

Q: The virtual image of a lens is always on the same side of the lens as the object. True False

A: Given ,  to find wheather it is true or false that the virtual image of a lens is always on the same…

Q: If the screen is at the right position and the object is in a right position, the lens will focus…

A: i) If the object is placed at the Focal point of a converging lens, the image is at infinity ii) i)…

Q: Where should an object be placed in front of a convex lens to get a real image of the size of the…

A: The real image formed by convex lens will be inverted and of same size as the object, hence…