A scientist decreases the wavelength of the light used in a double-slit experiment and keeps every other aspect the same. What will be true about the new interference pattern seen on the screen compared to the original interference pattern?
1. The spacing between the bright fringes will decrease.
2. The spacing between the dark fringes will remain the same.
3. The spacing between the dark fringes will increase.
4. The spacing between the bright fringes will increase.