Using the relativistic velocity-addition formula for adding ...

[Bob-Dole]

Using the relativistic velocity-addition formula for adding everyday velocities produces
 
  A) nonsense.
  B) a significantly better result than adding them classically.
  C) a classical result.

Question 2

A single-slit diffraction pattern is formed on a distant screen. Assuming the angles involved are small, by what factor will the width of the central bright spot on the screen change if the wavelength is doubled?
 
  A) It will be cut to one-quarter its original size.
  B) It will be cut in half.
  C) It will double.
  D) It will become four times as large.
  E) It will become eight times as large.

[adammoses97]

Answer to Question 1

Answer: C

Answer to Question 2

C