Suppose that you are isolated and floating in outer space and ...

[Deast7027]

Suppose that you are isolated and floating in outer space and that you hold a wooden block and a lead block, one in each hand, and that the two blocks look and feel identical. How could you tell which one is the lead block?
 
  A) Give each one a light tap with your finger; the one that accelerates the least is the lead block.
  B) Let go of them; the one that falls the fastest is the lead block.
  C) Give each one a light tap with your finger; the one that accelerates the most is the lead block.
  D) None of the above methods could tell you which block is the lead block.

Question 2

A double slit illuminated with light of wavelength 588 nm forms a diffraction pattern on a screen 11.0 cm away. The slit separation is 2464 nm. What is the distance between the third and fourth bright fringes away from the central fringe?
 
  A) 23.9 cm
  B) 5.96 cm
  C) 5.59 cm
  D) 2.63 cm

[leeeep]

Answer to Question 1

A

Answer to Question 2

A

[Deast7027]

TYSM

[blakcmamba]

Excellent