Light of wavelength 550. nm in air is found to travel at 1.96 ...

[Mr3Hunna]

Light of wavelength 550. nm in air is found to travel at 1.96  108 m/s in a certain liquid.
 
  (a) Determine the index of refraction of the liquid.
  (b) Determine the frequency of the light in air.

Question 2

A 120-m long copper wire (resistivity 1.68  10-8   m) has resistance 6.0 . What is the diameter of the wire?
 
  A) 0.0065 mm
  B) 0.065 mm
  C) 0.65 mm
  D) 0.65 cm
  E) 0.65 m

[stillxalice]

Answer to Question 1

(a) 1.53
(b) 5.45  1014 Hz

Answer to Question 2

C

[Mr3Hunna]

Excellent

[xoxo123]

Thanks for the timely response, appreciate it