Question

PHYS 251 Recitation 02: Size, Parallax& Reflection & Refraction Sect Names Angular Size Date 1. You take a photograph of your friend standing in front of Old Main. You are crouching on the ground so his feet are level with the base of Old Main in the photograph. In the photograph, he appears to be the same height as Old Main. Sketch a ray diagram showing this situation. 2. Your friend is about 2 meters tall and you were crouching 5 meters from your friend when taking the photograph. He was about 60 meters from Old Main. Estimate how tall Old Main is based on this photograph? Show your work. Parallax (ruler needed for this activity) 3. How much does this object shift on the screen when you switch ey light rays on the diagram below and then measure.) Shift is: 4. If you moved the object twice as far away from you, what happens to how much it shifts? (Again, draw the appropriate light rays and measure.) Shift is now es? (Draw the appropriate cm eye . right eye Rarallax & Reflection

Answer 1

Solution:

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