In a double slit experiment, the ratio of slit width to the slit separation is 2.2 (five bright fringes in the central peak). If the slit separation is increased by a factor of three, keeping the slit width the same, how many fringes will now fit in the central peak? A: 13
B: 10
C: 15
D: 3

Jasmine is diving off a 3-meter springboard. her height in meters above the water when she is x meters horizontally from the end of the board is approximated by the equation h=-x^2+3x+3. what is the maximum height jasmine will reach on her dive?

If the chemical properties of a substance remain unchanged and appearance or shape of a substance changes it is called a ?

Why is rain likely when warm, moisture-laden air meets cold air? a) the lighter warm air will rise and cool down, causing condensation and rain. b) the cold air moves faster and pushes the warm air away, causing condensation and rain. c) the moisture in the warm air condenses on contact with the cold air, causing rain to fall. d) the cold air mixes with the warm air, reducing its temperature causing moisture to condense.