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Author Question: A fish is 80 cm below the surface of a pond. What is the apparent depth (in cm) when viewed from a ... (Read 82 times)

cmoore54

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on: Aug 10, 2020

Question 1

A far-sighted student has a near point of 1.0 m. Calculate the focal length (in cm) of the glasses needed so the near point will be normal (25 cm).

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72

◦
25

◦
33

◦
100

◦
−33


Question 2

A fish is 80 cm below the surface of a pond. What is the apparent depth (in cm) when viewed from a position almost directly above the fish? (For water, n = 1.33.)

◦
50

◦
60

◦
40

◦
70

◦
110
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Marked as best answer by cmoore54 on Aug 10, 2020

trampas

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Reply #1 on: Aug 10, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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cmoore54

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Reply 2 on: Aug 10, 2020
Excellent

brbarasa

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Reply 3 on: Yesterday
Wow, this really help

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