Wave Behavior

The bending of waves because of the change of the medium of travel is called

• Reflection

• Refraction

• Interference

• Diffraction

The bouncing back of light is called

• Reflection

• Refraction

• Diffraction

• Interference

During refraction, which of the following does not change

• Frequency

• Wavelength

• Speed

• Amplitude

When waves travel from air to water, which of the following decrease?

• Wavelength

• Frequency

• Speed

• Amplitude

When waves get reflected from loose, it get

• Inverted

• No inversion

• Goes by

• Undetermined

Match the interfering waves with their resultant waves

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Given the wave speed of a wave is 88.4 m/s and the length between fixed end and point of generation is 8.0 m. Find the 3rd Harmonic.

• 16.575 Hz

• 18.575 Hz

• 25.256 Hz

• 45.125 Hz

Given the wave speed of a wave is 88.4 m/s and the length between fixed end and point of generation is 8.0 m. Find the wavelength for 3rd Harmonic.

• 3.33 m

• 5.33 m

• 6.33 m

• 9.33 m

Given the fundamental frequency of a wave is 75 Hz. The length is 16 m. Find the speed.

• 2400 m/s

• 2600 m/s

• 2800 m/s

• 3000 m/s

Given that the speed of the wave is 400 m/s. If the linear density is 0.0005 kg/m find the tension in the string

• 50 N

• 60 N

• 80 N

• 100N