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Physics

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Una Johns

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Cards in this guide (11)
As you sit on a dock you notice a wave crest pass You count another four wave crests in the next 12 seconds What is the frequency of these waves

0.33 Hz

What is the scale used to define sound intensities

Decibel scale.
The scale used to define sound intensities is called the decibel scale system. The units used to measure the intensity of sound are referred to as decibels.

Do virtual images exist where no light rays can be found

Yes, virtual images exist where no light rays can be found.

The angle of incidence is the angle between what and the normal of the surface

The angle of incidence it he angle at which the incident ray stikes the plane of the surface.

If you look up close at an ant using a convex lens what do you see

The same ant, enlarged by the light bending effects of the lens.

Wave maximum displacement from the rest position

The correct term from the maximum displacement from the rest position in a wave is the Amplitude (A).

What has the lowest frequency on the electromagnetic spectrum

radio waves has lowest frequency in electromagnetic spectrum

As you sit on a dock you notice a wave crest pass You count another 16 wave crests in the next eight seconds

22

Describe the path of the light ray that hits a mirror after passing thought its focus

It goes to "the point at infinity"

Where is the Better Metter Inc in Metter Georgia located

The address of the Better Metter Inc is: Po Box 537, Metter, GA 30439-0537

At the point of a converging lens the object cannot be seen.

focal

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