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A glass rod is rubbed with silk. During this process, a positive charge is given to the glass rod by
2.0 × 10^−11 s
removing electrons from the rod
unchanged
2.01 × 10^12 Hz
diffraction
resonance
both water and a vacuum
period and frequency
The spreading out of a wave after passing through an opening in a barrier is an example of
2.0 × 10^−11 s
removing electrons from the rod
unchanged
2.01 × 10^12 Hz
diffraction
resonance
both water and a vacuum
period and frequency
A photon with an energy of 1.33 × 10^−21 joule has a frequency of
2.0 × 10^−11 s
removing electrons from the rod
unchanged
2.01 × 10^12 Hz
diffraction
resonance
both water and a vacuum
period and frequency
As a group of soldiers marches along a road, each soldier steps simultaneously. However, when crossing a bridge, the group does not step simultaneously in order to prevent the bridge from vibrating intensely.
2.0 × 10^−11 s
removing electrons from the rod
unchanged
2.01 × 10^12 Hz
diffraction
resonance
both water and a vacuum
period and frequency
A sound wave produced by a loudspeaker can travel through water, but not through a vacuum. In comparison, a red light wave produced by a laser can travel through
2.0 × 10^−11 s
removing electrons from the rod
unchanged
2.01 × 10^12 Hz
diffraction
resonance
both water and a vacuum
period and frequency
After two light waves have interfered in a vacuum, the two waves will be
2.0 × 10^−11 s
removing electrons from the rod
unchanged
2.01 × 10^12 Hz
diffraction
resonance
both water and a vacuum
period and frequency
A microwave with a frequency of 5.0 × 10^10 hertz has a period of
2.0 × 10^−11 s
removing electrons from the rod
unchanged
2.01 × 10^12 Hz
diffraction
resonance
both water and a vacuum
period and frequency
Which characteristics of a light wave remain constant when the light wave travels from air into corn oil?
2.0 × 10^−11 s
removing electrons from the rod
unchanged
2.01 × 10^12 Hz
diffraction
resonance
both water and a vacuum
period and frequency
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