Which of the following effects could not be observed for sound waves in air?

Choose the correct answer:

Interference

Refraction

Polarization

Diffraction

Which jet stream affects weather in the United States?

Which levels of government establish and implement educational requirements for minors

What is the average speed of the marble as it rolls across the floor? A. 150 m/s B. 15 m/s C. 0.67 m/s D. 1.5 m/s

On the fashion trends of the 80s where would you begin to look for information

Why is it dangerous to touch the terminals of a high-voltage capacitor even after the voltage source that charged the capacitor is disconnected from the capacitor?

The wavelength of a light wave can be used to measure which of the following? A. The direction the wave is traveling B. How many photons the wave contains C. How much energy the wave has D. How high the top of the wave is

Sound 1 has an intensity of 38 W/m2. Sound 2 has an intensity level that is 2.5 dB greater than the intensity level of sound 1. What is the intensity of sound 2?

A cannonball is launched horizontally off a 20 m high castle wall with a speed of 85 m/s. How long will the cannonball be in flight before striking the ground? What is the range of the cannonball?

It is well known that bullets fired at Superman simply bounce off his chest. Suppose that a gangster sprays Superman's chest with bullets of mass m = 1.7 g at a rate of R = 165 bullets/min. The speed of each bullet is v = 380 m/s.

If you are 3.00 m from speaker A directly to your right and 3.50 m from speaker B directly to your left, will the sound that you hear be louder than the sound you would hear if only one speaker were in use?