An object placed 20 cm to the left of a 10 cm focal length positive lens a. will create a virtual image 20 cm to the right of the lens O b. will create a real image 20 cm to the left of the lens O C. will create a real image 20 cm to the right of the lens d. will create a virtual image 20 cm to the right of the lens
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Q: QUESTION 15 An object is 16.0 cm to the left of a lens. The lens forms an image is 36.0 cm to the…
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A: given: focal length f : 4 cm object distance u : 3 cm
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Q: 7. An object is placed 13 cm from a convex spherical lens of radius 9.0 cm What type of image forms,…
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Q: illuminated object is located to the left of a lens that is thinner in the center than at the edges.…
A: Since lens is thinner in the center so it must be concave lens .
Q: 3. An object is 16.0 cm to the left of a lens. The lens forms an image 36.0 cm to the right of the…
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- A coin is 12 cm in front of a converging lens with focal length of magnitude 4.0 cm. Where is the image? A) 8.0 cm behind the lens B) 6.0 cm in front of the lens C) 6.0 cm behind the lens D) 4.0 cm in front of the lensAn image of the moon is focused onto a screen using a converging lens of focal length f= 35.3 cm. The diameter of the moon is 3.48×106 m, and its mean distance from the earth is 3.85x108 m. What is the diameter of the moon's image? 8.29E-12 m5. Consider a converging lens that has a focal length (f). Which one of these is correct about the image when the object is placed in front of the lens at a distance of (3f)? The image is real, inverted, and diminished The image is real, erect, and diminished The image is real, erect, and magnified The image is virtual, inverted, and magnified The image is virtual, inverted, and diminished The image is virtual, erect, and has the same size as the object A nearsighted man uses his ideally prescribed eyeglasses that have a refractive power of -3.00 diopters. He would like a prescription for contact lenses. What is the correct contact lens prescription if he normally wears his eyeglasses a distance of 2.1 cm from his eyes? diopters
- Figure shows an object and its image formed by a thin lens. (a) What is the focal length of the lens, and what type of lens (converging or diverging) is it? (b) What is the height of the image? Is it real or virtual?The focal length of a lens a. Approaches zero as the index of refraction increases b. Does not depend on the index of refraction O c. Increases as the index of refraction increases d. Decreases as the index of refraction increasesA camera lens used for taking close-up photographs has a focal length of 55.0 mm. The farthest it can be placed from the film is 33.0 mm. What is the closest object that can be photographed? answer choices a)8.25 cm b)3.30 cm c)6.60 cm d)5.08 cm
- 2. A convex (converging) lens produces a real, inverted image of an object that is magnified 2.50 times when the object is 19.0 cm from the lens. What is the focal length of the lens? cm2) A light bulb is 50 cm to the left of a convex lens of focal length 25 cm. The lens is placed 75 cm to the left of a convex mirror of focal length 20 cm. Light will travel from the bulb, through the convex lens to create an image. This image will then become the object for the concave mirror. The concave mirror will form the final image of the lightbulb. a) Where does the convex lens form an image of the lightbulb (relative to the lens)? b) What is the distance from the mirror to the image from the lens (hint: this will be the object distance in part c)? c) Where is the final image formed with respect to the mirror? d) Is the final image real or virtual? note: please answer all question i will definitely upvote.5. Where will be the image? t=20 cm t-30 cm 5=20 cm 30 cm 40 cm 100 cm
- apart. Which one of the following is a characteristic of a compound microscope? a. The objective is a diverging lens. b. The eyepiece is a diverging lens. The final image is real C. d. The image formed by the objective is virtual. e. The image formed by the objective is real.A student tries to use a diverging lens as a magnifier. She observes a coin placed at the focal point of the lens. She seesA. An upright image, smaller than the object.B. An upright image, larger than the object.C. An inverted image, smaller than the object.D. An inverted image, larger than the object.E. A blurry image.Collimated light passing through a negative lens from the left will a. come to focus at infinity b. come to focus at the focal point of the lens on the right side of the lens C. come to focus at the focal point of the lens on the left side of the lens O d. diverge and never come to focus