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- Spherical 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 person's right eye can see objects clearly only if they are between 26 cm and 88 cm away. Express your answer using two significant figures. P= -3.57 Submit VE ΑΣΦ Part B X Incorrect; Try Again; 5 attempts remaining Previous Answers Request Answer Submit do = 370.37 What will be the near point with the lens in place? Express your answer using two significant figures and include the appropriate units. cm Previous Answers Request Answer ? ? X Incorrect; Try Again; 5 attempts remaining Dst 8. A converging lens (f₁ = 12.0 cm) is located 27.3 cm to the left of a diverging lens (f₂ placed 32.4 cm to the left of the converging lens. Find the overall magnification. ssf60*³ f60 ssf ssf60 ssi f6 -6.6 cm). A postage stamp is sf60 ssf60 50 sst
- xviMehloa) Show that an infinitesimal change dn of the refractive index of the material of a thin lens leads to an infinitesimal change df of the focal distance, i.e., show that: df f dn n-na (1) where na is the refractive index of air. 1.530) using a discrete b) Calculate the focal distance of a thin lens for blue light (with n= version of the upper equation if the focal distance for red light (with n = 1.470) is 20.0 cm (na = 1.000).
- W:24)A Coin is located 19.6 cm to the left of a converging lens (f = 15.0 cm). A second, identical lens is placed to the right of the first lens, such that the image formed by the combination has the same size and orientation as the original coin. Calculate the separation between the lenses.A light ray incident parallel to a biconvex lens made from glass (n 2 = 1.55) and has a radii of curvature (R1 = 12 cm; R2 = 8 cm). If the lens placed separates between the air (n 1 = 1.0) and liquid (n3 = 1.4), Where is the ray convergence in the liquidq42 Mr ASHER is a nearsighted person, who has a far point of 29.0 cm. Calculate the refractive power (in D) needed for his contact lenses. Enter the numerical part of your answer to two decimal figures. Hint: Remember that the sign of the refractive power is significant.