Reference no: EM134213

Question1

Suppose you clarify two thin slits by monochromatic coherent light in air and find out that they create their first interference minima at ±30.00o on either side of the cbf. You then immerse these slits in a transparent liquid and elucidate them with the same light. Now you find that the first minima occur at ±20.00o instead. What is an index of refraction of this liquid?

Question2

Two speakers, 4.00 m apart, are driven by similar audio oscillator so that each one produces a sound with a frequency of 1360 Hz. The speed of sound in the room is 340 m/s. Find out all the angles relative to the usual center line in front of (and far from) speakers at that both frequencies interfere

(a) Constructively.

(b) Destructively.