(TCO 8) During a thunderstorm, you see a flash of lightning strike. Eight seconds later, you hear the crack of thunder.

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PHYS 204 Applied Physics with Lab Week 7 Quiz Answers

 

Question 1.1. (TCO 8) During a thunderstorm, you see a flash of lightning strike. Eight seconds later, you hear the crack of thunder. How far away did the lightning strike if the speed of sound is 343 m/s? (Points : 5)

Question 2.2. (TCO 8) Find the illumination E on a surface located 2.00 m from a source with an intensity of 400. lumens. (Points : 5)

Question 3.3. (TCO 8) An object 10.0 cm in front of a convex mirror forms an image 5.00 cm behind the mirror.  What is the focal length of the mirror? (Points : 5)

Question 4.4. (TCO 8) What is the critical angle of incidence for water that has an index of refraction of 1.33? (Points : 5)