wave motion

what's the amplidtude of the following wave

what's the amplidtude of the following wave

what's the wavelength and frequency of the following wave knowing that its speed is 460m/s

• 4m, 115 Hz

• 4.5m, 102.22Hz

• 3.5m, 131.4 Hz

• 3m, 153.3 Hz

what's the electromagnetic radiations that has longest wavelength

• radio wave

• microwave

• infrared

• ultravilote

a sound source generates 90 oscillations each 3 sec given that waves travels at 340m/s calculat distance between centers of a rarefaction and seccessive compression

• 11.33 m

• 5.67 m

• 3.78 m

• 2.83 m

what's the wavelength of the wave if its speed is 360m/s

• 160 m

• 170 m

• 180 m

• 190 m

a speaker generates sound wave which complete one vibration every 3ms some person 170 m away from the speaker hears the sound after 0.5 s.

calculate the wavelegth

• 0.51 m

• 1.02 m

• 0.26 m

• 0.04 m

• V

• 2V

• 4V

• V/4

A source of sound of frequency 600 Hz is placed inside water. The

speed of sound in water is 1500 m/s and in air is 300 m/s. The

frequency of sound recorded by an observer who is standing in air is........

• 200 Hz

• 300 Hz

• 600 Hz

• 120 Hz

An underwater sonar source operating at a frequency of 60 KHz

directs its beam towards the surface. If the velocity of sound in air is

330 m/s, the wavelength and frequency of waves in air are:.........

• 5.5 mm, 60 KHz

• 5.5 mm, 20 KHz

• 5.5 mm, 80 KHz

• 330 m, 60 KHz