A simple compound microscope normally uses A) a long focal ...

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A simple compound microscope normally uses
 
  A) a long focal length objective and a shorter focal length eyepiece.
  B) a short focal length objective and a longer focal length eyepiece.
  C) a short focal length objective and a shorter focal length eyepiece.
  D) a very long focal length objective and a longer focal length eyepiece.

Question 2

Light from a monochromatic source shines through a double slit onto a screen 5.00 m away. The slits are 0.180 mm apart.
 
  The dark bands on the screen are measured to be 1.70 cm apart. What is the wavelength of the incident light?
  A) 784 nm B) 457 nm C) 612 nm D) 392 nm E) 306 nm

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Answer to Question 1

B

Answer to Question 2

C

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