In a single-slit diffraction experiment, as the width of the slit ...

[P68T]

In a single-slit diffraction experiment, as the width of the slit is made smaller, the width of the central maximum of the diffraction pattern
  1.becomes smaller.
  2.becomes larger.
  3.remains the same.

Question 2

Suppose a Young's experiment is carried out in air, and then, in a second experiment, the apparatus is immersed in water. In what way does the distance between bright fringes change?
  1.They move further apart.
  2.They move closer together.
  3.There is no change.

[lorealeza77]

Answer to Question 1

2

Answer to Question 2

2

[P68T]

TYSM

[matt95]

Excellent