A stamp collector wants to magnify images by 10(X) when the object is 5.5 cm away. What focal length is needed?
Q: A television camera lens has a 17-cm focal length and alens diameter of 6.0 cm. What is its…
A: The f-number of a lens is defined as the ratio of the focal length of the lens to its diameter.…
Q: The magnification produced by a converging lens is found to be 2.4 for an object placed 22 cm from…
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Q: A double concave lens has surface radii of 33.4 cm and28.8 cm. What is the focal length if n=1.52 ?
A: Surface radii of the double concave lens R1=33.4 cm and R2=-28.8 cm Here, negative sign appears…
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: A double concave lens has surface radii of 33.4 cm and 28.8 cm. What is the focal length if n=1.58?
A: See below
Q: An object is placed 10.3cm in front of a converging lens with a focal length of 17.5cm. Use…
A: f = 17.5 cm (focal length of converging lens) u = -10.3 cm (distance of the object from the lens)
Q: plano-convex lens, the radius of curvature of convex surface is 10 cm and the focal length of the…
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Q: Photographs at a scale of S are required to cover an area X-mi square. The camera has a focal length…
A: Photographs at a scale of S are required to cover an area X-mi square. The camera has a focal length…
Q: A standard 35mm slide measures 24mm by 36mm. Suppose a slide projector produces a 60cm by 90cm image…
A: Given, measurement of slide = 24mm by 36mm measurement of image =60cm by 90cm focal length f=12cm…
Q: A camera with a 188.7 mm focal length lens is used to photograph the sun and moon. What is the…
A: A camera with a 188.7 mm focal length lens is used to photograph the sun and moon. What is the…
Q: is measured to be 31 cm. The actual focal length of this lens is 28 cm. What is the percent error of…
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Q: An object is placed 9.6cm in front of a converging lens with a focal length of 16.4cm. Use…
A: The lens formula is, 1v-1u=1f Where, v is the image distance…
Q: A doctor examines a mole with a 16.1 cm focal length magnifying glass held 11.4 cm from the mole.…
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Q: correct their vision so that they can see objects that are as close as 10 cm to their eye, what…
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Q: An object is placed 10.1cm in front of a converging lens with a focal length of 18.2cm. Use…
A: object distance = u = 10.1 cm focal length = f = 18.2 cm image distance = v = ?
Q: How many centimeters (cm) away would you need to place an object to make its image appear 10.21 cm…
A: Image distance v = 10.21 cm Focal length f = 7.28 cm We need to find object distance.
Q: A doctor examines a mole with a 17.3 cm focal length magnifying glass held 11.6 cm from the mole.…
A: Given, Focal length,f=17.3cmobject distance,u=-11.6cm (a) We have the expression of the lens…
Q: A stamp collector wants to magnify an image by 4.0 when the stamp is 3.5 cm from the lens. What…
A: Given Information:- Magnification of the image is m=4.0 Distance of the stamp from the lens is…
Q: You measure an object distance of 0.3 m and an image distance of 0.15 m. Solve for the focal length…
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Q: You want to project an image onto a wall. The object (a well-illuminated thimble) is 30cm from the…
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Q: A diverging lens with focal length ? = −30?? is used to view an object 90?? from the lens. What is…
A: Given: Focal length, f=-30 cm Object distance, u=90 cm Note: Here, units are not given. So, cm is…
Q: A 1.5-cm object is placed 0.50 m to the left of a diverging lens with a focal length of 0.20 m. A…
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Q: You produce an image of the Sun on a screen, using a thin lens whose focal length is 15.0 cm. What…
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Q: a far sighted person has a near point of 98 cm. to correct their vision so they can see objects…
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Q: You note that your prescription for new eyeglasses is −5.05 D. What will their focal length…
A: Prescription of eye glasses = -5.05 D Power of eye glass = -5.05 D
Q: A person needs a lens of power 5.5 diopters for correcting his distant vision. For correcting his…
A: a) The expression for find focal length of the lens for correcting distant vision is f=1P Insert…
Q: An object is placed 10cm in front of a converging lens with focal length 20cm. A) Where is the image…
A: Lens formula 1f=1v-1u Magnification of a lens is defined as the ratio of the height of an image to…
Q: A prescription for reading glasses has a power of P = 2.24 D. What is the focal length of the…
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Q: A prescription for reading glasses has a power of P = 2.7 D. What is the focal %3D length of the…
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Q: 14. A person on a safari wants to take a photograph of a hippopotamus from a distance of 75.0 m. The…
A: The object distance is u=75.0 m=7500 cm. The height of animal is ho=4.00 m=400 cm. The height of…
Q: This object is located 5.4 cm to the left of the lens, and the image forms at 24.8 cm to the right…
A: Given: The location of the object is 5.4 cm in front of the lens. The location of the image is 24.8…
Q: A lens that is constructed from a glass, whose index of refraction is 3, has a focal length of 22…
A: Given data: Index of refraction of first lens (μ1) = 3 Focal length of first lens (f1) = 22 cm Focal…
Q: You have three lenses stuck together. What is the focal length of the combination? f1-27 cm, f2-16…
A: Given data The focal length of the first lens is given as f1 = 27 cm. The focal length of the…
Q: A jeweler examines a diamond with a simple magnifier with a focal length of 8.0cm. What…
A: Step 1: Determine the magnification The magnification of an image using a simple magnifier such that…
Q: Two converging lenses have 17.8 cm focal length, and are placed 16.12 cm apart. An object is placed…
A: Given: f1=f2=17.8 cmu1=23.0 cmd=16.12 cm
Q: How far from the lens must the film in a camera be, if the lens has a 26.7mm focal length and is…
A: Lens formula is given by 1f=1u+1v
Q: A doctor examines a mole with a 15.7 cm focal length magnifying glass held 11.2 cm from the mole.…
A: Focal length of the lens of the magnifying glass f=15.7 cm The object distance u=11.2 cm The lens…
Q: An image of the moon produced by a converging lens is focused onto a screen; the focal length is f.…
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Q: A camera is equipped with a lens with a focal length of 40.0 cm. When an object 2.50 m away is being…
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Q: An object is placed 8.3cm in front of a converging lens with a focal length of 18.8cm. Use…
A: Object distance (d) = 8.3 cm Focal length of converging lens (f) = 18.8 cm
Q: A converging lens with a focal length of 40 cm and a diverging lens with a focal length of -40 cm…
A: Given Data: Focal length of converging lens is f1=40 cm Focal length of diverging lens is f2=-40 cm…
Q: A student lab group wants to project a 32.2 cm tall image of a candle on a square card that is 3.1 m…
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Q: You build a standard bological microscope using lens with focal lengths of 12 am and 40 cm, with the…
A: Given data The focal length of the objective lens is fo = 12 cm The focal length of the eyepiece…
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