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Author Question: After light from a source passes through two slits, a first-order bright spot is seen on the wall at ... (Read 46 times)

tsand2

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on: Jul 28, 2018
After light from a source passes through two slits, a first-order bright spot is seen on the wall at point P. Which distance is equal to the wavelength of the light?
 
   
  a.
  the extra distance one beam must travel
   
  b.
  the distance between beams as they leave the slit
   
  c.
  the distance of point P from the central point of the interference pattern
   
  d.
  the distance between slits

Question 2

A particle moving with a constant acceleration has a velocity of 20 cm/s when its position is x = 10 cm. Its position 7.0 s later is x = 30 cm. What is the acceleration of the particle?
 a. 7.3 cm/s2
  b. 8.9 cm/s2
  c. 11 cm/s2
  d. 15 cm/s2
  e. 13 cm/s2


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choc0chan

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Reply #1 on: Jul 28, 2018
Answer to Question 1

a

Answer to Question 2

a


tsand2

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  • Posts: 520
Reply 2 on: Jul 28, 2018
Thanks for the timely response, appreciate it

xiaomengxian

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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