{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

PH291_2010FALL_EXAM1__[0] - Ph 291 Fall 2010 Final Exam...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Ph 291, Fall 2010 Final Exam Name: (no name, no score!) Multiple Choice Answer Sheet # Answer 1 2 3 4 5 Subtotal /75 1 Ph 291, Fall 2010 Final Exam Name: (no name, no score!) L1 L2 L3 d d object s o1 Figure 1: Optical path configuration 1. [15 pts] Three thin lenses, each with a focal length of 10 inches, are aligned on a common axis (see figure); adjacent lenses are sep- arated by d = 35 inches. Find the position (relative to L3) of the final image of a small object located 20 inches to the left of the first lens. (A) +10 inches (B)- 10 inches (C) +15 inches (D)- 15 inches (E) +30 inches (F)- 30 inches 2. [15 pts] Light of original intensity I passes through two ideal linear polarizing filters. You want to adjust the angle ϕ between their polarizing axes so that the intensity after passing through both polarizers is equal to I / 8. If the original light is unpolarized, what should ϕ be? (A) 0 ◦ (B) 30 ◦ (C) 45 ◦ (D) 60 ◦ (E) 90 ◦ 3. [15 pts] Light of wavelength λ and frequency f passes through a single slit of width a . The di ff raction pattern is observed on a screen a distance x from the slit. Which of the following will decrease the width of the central maximum?...
View Full Document

{[ snackBarMessage ]}

Page1 / 6

PH291_2010FALL_EXAM1__[0] - Ph 291 Fall 2010 Final Exam...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon bookmark
Ask a homework question - tutors are online