You combine two thin lenses by placing them in contact so that their axes coincide, forming what is called a compound lens. The focal lengths of the lenses are 26.9 cm and –59.9 cm, respectively. Find the focal length of this compound lens. focal length: cm Does this compound lens act as a diverging lens, as a converging lens, or it cannot be determined? converging cannot be determined diverging O O
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- Don't use chat gpt It Chatgpt means downvoteSpherical aberration is due to light rays O a. passing through the outer portions of a lens not focusing at the same point as rays that pass through the center O b. of different wavelength not focusing at the same point O C. passing through the lens in the vertical direction not focusing at the same point as rays passing through the lens in the horizontal direction O d. passing through the outer portions of a lens being absorbed more than rays that pass through the centerA small object is placed to the left of a convex lens and on its optical axis. The object is 46 cm from the lens, which has a focal length of 15 cm. Determine the location of the image formed by the lens. (Enter your answer in cm from the lens.) cm Describe the image. (Select all that apply.) realvirtualuprightinvertedenlargedreducedon the left side of the lenson the right side of the lens
- For normal vision a healthy point is 25cm and a healthy fat point is infinityYour mom has a near point of 69cm. is your mom considered near or far sighted? your mom wears glasses to correct her vision that sit 1.76cm from her eye. How far from the lenses do her glasses form an image. what is your moms prescription number in diopters does your mom require converging or diverging lensA person can comfortably focus on an object that is 49.0 cm from their eye. They wish to wear a contact lens that allows them to focus comfortably an object that is only 10.0 cm from the eye. a) What is the focal length of the contact lens they should wear? b) The contact lens is: O Need to know if the person is near sighted or far sighted to determine O Not enough information O A converging lens O A diverging lens c) When they wear this contact lens described above, what happens to their distance vision? O Their far point gets closer o Their far point moves farther away O Vision correction for close objects does not effect vision for far away ojects cmConsider a converging lens whose focal length is 5.87 cm. An object is placed on the axis of the lens at a distance of 11.7 cm from the lens. How far is the object's image from the lens? image distance: cm If it can be determined, is the image real or virtual? real virtual cannot be determined If it can be determined, is the image upright or inverted with respect to the object? O upright cannot be determined O inverted
- |Resources L Give U A physicist's left eye is myopic (i.e.., nearsighted). This eye can see clearly only out to a distance of 27 cm. Find the focal length and the power of a lens that will correct this myopia when worn 2.0 cm in front of the eye. cm focal length: diopters power: Is this a converging or a diverging lens? O diverging convergingA librarian can't see objects clearly beyond his far point of 486 cm. Determine the power of the contact lens needed to correct his vision. D What type of lens is needed? O diverging lens O converging lensPlease help me solve the following.