Which of the following expressions is correct for the transmitted ...

[acc299]

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

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Answer to Question 1

B

Answer to Question 2

B

[acc299]

Wow, this really help

[anyusername12131]

Thanks for the timely response, appreciate it