Monochromatic light of wavelength 500 nm is incident normally on ...

[mynx]

Monochromatic light of wavelength 500 nm is incident normally on a grating. If the third-order maximum of the diffraction pattern is observed at 32.0, what is the grating constant (distance between the slits)?
 
  A)
 
  0.93 m
  B)
 
  1.4 m
  C)
 
  2.8 m
  D)
 
  5.6 m
  E)
 
  8.5 m

Question 2

A child throws a ball with an initial speed of 8.00 m/s at an angle of 40.0 above the horizontal. The ball leaves her hand 1.00 m above the ground. How long is the ball in flight before it hits the ground?
 
  A)
 
  1.22 s
 
  B)
 
  6.79 s
 
  C)
 
  7.45 s
 
  D)
 
  9.14 s
 
  E)
 
  2.44 s

[lkanara2]

Answer to Question 1

C

Answer to Question 2

A

[mynx]

Excellent

[abro1885]

Gracias!