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Green laser light shines on a double slit, creating a pattern of bright and dark

ID: 1476681 • Letter: G

Question

Green laser light shines on a double slit, creating a pattern of bright and dark spots on a screen some distance away. Which of the following changes, carried out separately, would increase the distance between the bright spots on the screen? (Select all that apply.)

Increase the distance between the double slit and the screen.

Replace the green laser with a blue laser.

Replace the green laser with a red laser.Increase the spacing between the slits.

Decrease the distance between the double slit and the screen.

Immerse the entire apparatus in water.

Decrease the spacing between the slits.

Explanation / Answer

y = m ? L/d

so Replace the green laser with a red laser. since bigger wavelength

Decrease the spacing between the slits.

Increase the distance between the double slit and the screen.