Chapter 7 Answer Key - BC Science Physics 11
Chapter 7 Answer Key - BC Science Physics 11
Chapter 7 Answer Key - BC Science Physics 11
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12. 1.54<br />
14a. 489 nm<br />
14b. blue<br />
14c. Frequency determines colour<br />
Page 242 Quick Check<br />
1. To come<br />
2. To come<br />
Page 244 Quick Check<br />
1. 50.5 mm<br />
2. 100 mm or 10.0 cm<br />
3. 20 mm<br />
Page 252 7.4 Review<br />
2a. -50.0 cm<br />
2b. a virtual image<br />
3. To come<br />
4. 1.90 cm<br />
5. Hi = 1.7 cm<br />
6. Magnification is 2.00, The image is real because Do > f<br />
7. To come<br />
8.<br />
Version 12-09-21<br />
9. Red eye is the flash reflecting off the retina. Most cameras flash twice. The first flash<br />
causes the pupil to contract and the second flash takes the picture. The smaller pupil<br />
reduces ‘red eye’.<br />
Page 254 <strong>Chapter</strong> 7 Review Questions<br />
4. 0.8 mm<br />
5. 7<br />
6. To get a wide angle view<br />
7. Place the filament between f and 2f<br />
8. Between the focus and mirror<br />
9. 1.7 m (real image)<br />
10. 2.0 m<br />
∠r = 21°<br />
<strong>11</strong>.<br />
The beam will lave the glass at 35°<br />
12. ∠i = 41.1°<br />
c<br />
<strong>Chapter</strong> 7 Light and Geometric Optics 4 © Edvantage Interactive
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