Calculate the focal length and power in diopters of a plano-concave lens (n = 1.5) with a radius of curvature of 10 cm. a) 0.2m, -5D b) 0.02m, 5D c) 0.01m, 2.5D d) 0.1m, -2.5D
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Calculate the focal length and power in diopters of a plano-concave lens (n = 1.5) with a radius of curvature of 10 cm. a) 0.2m, -5D b) 0.02m, 5D c) 0.01m, 2.5D d) 0.1m, -2.5D
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- 4. Calculate the height of the mage formed when a 2.50m Fall sbject is placed (0cm away from a lens with focal length -15cm17 .) see photo for details5. work) Given an object located 50 cm from a -3.00 D lens. Where is the image? (show your a. 0.20 cm and on the opposite side from the object b. 5.03 cm and on the opposite side as the object c. 20.0 cm and on the same side as the object d. 0.20 cm and on the same side as the object 6.Given an object located 3 m from a lens. The image is 25 cm on the opposite side from an object. What is the power of the lens?(show your work) +0.23 D +4.33 D C. +3.70 D d. -0.23 D a. b.
- 7). A camera has a 50.0-mm lens (focus length) that is used to take a picture of an object 1.30 m tall located 4.00 m away. What is the height of the image on the film? a) 21.0 mm b) 16.5 mm c) 12.0 mm d) 10.5 mm e) 9.2 mm3. What would happen to s' if s is very very large? (hint = object is at infinity) 4. For the lens of focal length f, what value of s (in terms of f) would give the magnification of -1?Needs Complete solution with 100 % accuracy don't use chat gpt or ai plz plz plz plz plz send.
- 8a) Calculate the power of a 35-cm-focal length lens? b) What is the focal length of a -5.25D lens?13) Mike takes a picture of Cathy using a single convergent lens camera with a focal length f-5 cm, the first picture is a close up taken with Cathy at doi - 20 cm, the second picture is taken with Cathy standing dez-20 m -20,000 cm away from the lens. What is the distance Mike must move the lens on his camera to keep Cathy in focus for both shots?60) An SSRI has the following focal lengths: object- space primary focal length f = -0.2 m and image- space secondary focal length f = 0.3 m. The object space is air with, n = 1.0, and the image space is glass with n' = 1.5. What is the refractive power F of this interface? -5.0 D b) -3.3 D c) -2.0 D d) +2.0 D e) +3.3 D f) +5.0 D 68) The single flat refracting interface shown below has ... air glass a) zero curvature and zei radius of curvature b) infinite curvature and zero radius of curvature c) zero curvature and infinite radius of curvature d) infinite curvature and infinite radius of curvature flat surface
- 2) FOCAL LENGTH OF THE LENS - USING GRAPH: A graph as been drawn between and - from the above tabulated values. 1/u Vs 1/v Graph a.100 0.095 Scale value G.090 X axis Y axis 1 unit0.005 cm 1 unit 0.005 cm .ass .ose G.040 G035 0.00s a.000 aoe aos aoo aas aan aos aoo aos ao aas aow aas aoa as aon aons ao aom aoe aon asm Complete the table below and calculate the focal length of the lens using the graph: X intercept(Value of 1/f) (cm Y intercept (Value of 1/f) (cm 1) Mean value of 1/f (cm 1) f (cm)4. Your Aunt Sonia has vision with a near point of 65 cm and a far-point of . Calculate the: a) focal length, and b) Lens Power, of corrective optics (glasses) that you should get for her at the drug store so that objects placed at the normal near point (25 cm) will be in focus. Assume that both eyes need the same correction and that the lenses will be placed 2 cm in front of her eyes. (Hint: for an object placed at the normal near point, the lens must form an image of the object at her near point).Asap plzzx