Author Question: Which of the following expressions is correct for the transmitted intensity of an unpolarized beam ... (Read 60 times)

acc299 · **on:** Jul 29, 2018

Which of the following expressions is correct for the transmitted intensity of an unpolarized beam of light with an intensity Ii passing through a polarizer?

A) It = Ii
B) It = (1/2 ) Ii
C) It = (1/4 ) Ii
D) It = 2 Ii
E) It = 4 Ii

Question 2

A 2.00-g bullet hits and becomes embedded in a 5.00-kg wood block which is hanging from a 1.20-m long string. This causes the block to swing through an arc of 3.50. What was the speed of the bullet before it hit the block?

A) 16.7 m/s
B) 524 m/s
C) 25.3 m/s
D) 262 m/s
E) 789 m/s