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22. (i) A concave surface with a radius of 4 cm separates two media of refractive...
The left face of a biconvex lens has a radius of curvature of 10.0 cm, and the right...
The left face of a biconvex lens has a radius of curvature of 10.0 cm, and the right face has a radius of curvature of 20.0 cm. The index of refraction of glass is 1.44. (a) Calculate the focal length of the lens. f = cm (b) Calculate the focal length if the radii of curvature of the two faces are interchanged. f = cm
a convex spherical surface of radius of curvature +50mm separates air from glass of refractive index...
a convex spherical surface of radius of curvature +50mm separates air from glass of refractive index 1.6. a parallel pencil of ray in air is incidents on this surface. Find where the refracted pencil comes to a focus in the glass.
A double convex lens with radii of curvatures R1 = 21 cm and R2 = 34...
A double convex lens with radii of curvatures R1 = 21 cm and R2 = 34 cm is found in a basket. The lens is made of glass with an index of refraction n = 1.45. Find the focal length of the lens. (Hint: Make sure the sign is properly assigned to each radii) Express your answer in cm to 2 decimal places.
2. A convex lens of focal length 24 cm and refractive index of glass is 1.5....
2. A convex lens of focal length 24 cm and refractive index of glass is 1.5. Find the foca length of this lens if it is totally submerged into water of refractive index 1.33. A far sighted person cannot see objects clearly that are closer to the eye than 73 cm Determine the focal length of contact lenses that will enable this person to read a magazine at a distance of 25 cm. 4.
A contact lens has a convex and a concave side. The radius of curvature of the...
A contact lens has a convex and a concave side. The radius of curvature of the convex side is 1.5 cm. The radius of curvature of the concave side is 1.6 cm. The lens material has an index of refraction of 1.7. What is the focal length of the contact lens? (in cm] Answer: What is the optical power of the contact lens? ſin D] Answer:
One side of a lens is concave with radius of curvature 30 cm. The other side...
One side of a lens is concave with radius of curvature 30 cm. The other side is convex with radius of curvature 60 cm. The index of refraction of the lens is 1.6. What is the focal length of the lens? Group of answer choices 100 cm, converging 100 cm, diverging 33 cm, converging 33 cm, diverging
A lens-maker wants to make a magnifying glass of focal length 19 cm from a glass...
A lens-maker wants to make a magnifying glass of focal length 19 cm from a glass with refractive index 1.53. If the two lens surfaces have equal radii of curvature, what should that radius be?
A double-concave lens having radii of curvature of magnitudes 35.0 cm and 25.5 cm is made...
A double-concave lens having radii of curvature of magnitudes 35.0 cm and 25.5 cm is made of a glass for which the refractive index for red light of wavelength 700 nmis 1.44 and for violet light of wavelength 400 nm is 1.57. A white object is placed 54.0 cm in front of this lens. A) Where will the red light be focused? Give your answer as the magnitude of the distance from the image to the lens. sred= ?? cm...
A meniscus lens is made with the radius of curvature of the convex surface being 45.0...
A meniscus lens is made with the radius of curvature of the convex surface being 45.0 cm and the concave surface 25.0 cm. If the glass used has index of refraction 1.50, what is the focal length of this lens?
Given: Source Position: 4 cm Convex Lens Position: 25 cm Convex Focal Length: 13 cm Concave...
Given: Source Position: 4 cm Convex Lens Position: 25 cm Convex Focal Length: 13 cm Concave Lens Position: 43 cm Concave Focal Length: -20 cm Object Heght: 3 cm Find: a) screen position for focused object? b) image height on screen? Please Help me
2. A convex lens of focal length 24 cm and refractive index of glass is 1.5. Find the foca length of this lens if it is totally submerged into water of refractive index 1.33. A far sighted person cannot see objects clearly that are closer to the eye than 73 cm Determine the focal length of contact lenses that will enable this person to read a magazine at a distance of 25 cm. 4.
A contact lens has a convex and a concave side. The radius of curvature of the convex side is 1.5 cm. The radius of curvature of the concave side is 1.6 cm. The lens material has an index of refraction of 1.7. What is the focal length of the contact lens? (in cm] Answer: What is the optical power of the contact lens? ſin D] Answer:
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