« previous next »

Author Question: A thin beam of laser light of wavelength 514 nm passes through a diffraction grating having 3952 ... (Read 719 times)

kellyjaisingh

  • Hero Member
  • *****
  • Posts: 540
on: Jul 29, 2018
A thin beam of laser light of wavelength 514 nm passes through a diffraction grating having 3952 lines/cm.
 
  The resulting pattern is viewed on a distant curved screen that can show all bright fringes up to and including 90.0 from the central spot. If the experiment were performed with all of the apparatus under water (which has an index of refraction of 1.33), what would be the TOTAL number of bright spots that would show up on the screen?
  A) 6
  B) 7
  C) 12
  D) 13
  E) 14

Question 2

After rolling half-way down an incline, a marble's kinetic energy is
 
  A) less than its potential energy.
  B) greater than its potential energy.
  C) the same as its potential energy.


Athena23

  • Sr. Member
  • ****
  • Posts: 305
Reply #1 on: Jul 29, 2018
Answer to Question 1

D

Answer to Question 2

Answer: C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

When horses lie down to sleep, others in the herd remain standing, awake or in a light doze, keeping When horses lie down to sleep, others in the herd remain standing, awake or in a light doze, keeping
Apply light tapotement on the head. Tapping lightly with the fingertips works well for this purpose. Apply light tapotement on the head. Tapping lightly with the fingertips works well for this purpose.
Apply light circular friction over the wrist using your thumbs. Observe the skin moving over the ... Apply light circular friction over the wrist using your thumbs. Observe the skin moving over the ...
Calculate the Wavelength Calculate the Wavelength
A uniform solid cylinder of radius R and a thin uniform spherical shell of radius R both roll ... A uniform solid cylinder of radius R and a thin uniform spherical shell of radius R both roll ...
Assembly of a к light-chain gene in a B cell Assembly of a к light-chain gene in a B cell
Video: Wound Repair Animation

For a complete list of videos, visit our video library