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Laabri

Waves and Sound ReTest

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Last updated about 1 month ago
27 Nsɛmmisa
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Asemmisa {{asɛmmisaAhyɛnsode}}
1.

The time needed for a wave to make one complete cycle is its ____________.

Asemmisa {{asɛmmisaAhyɛnsode}}
2.

Given the wave shown above, which point corresponds to a wave trough

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3.

Which point corresponds to a wave crest?

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4.

Which letter best represents the amplitude of the waves?

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5.

Which letter best represents the wavelength of the waves?

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6.

The waves shown on the graph are

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7.

A bug is treading water in a pond. The bug is creating 120 waves per minute.

What is the frequency of the waves the bug is generating?

Asemmisa {{asɛmmisaAhyɛnsode}}
8.

A bug is treading water in a pond. The bug is creating 120 waves per minute.

What is the period of the waves generated by the bug?

Asemmisa {{asɛmmisaAhyɛnsode}}
9.

A bug is treading water in a pond. The bug is creating 120 waves per minute.

If the distance between two adjacent wave crests is 0.2 meters, what is the speed of the water waves?

Asemmisa {{asɛmmisaAhyɛnsode}}
10.

In a transverse wave, the medium of the material through which the wave travels vibrates _______ to the motion of the wave itself.

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11.

1. Examples of mechanical waves include

I. Stadium (human) waves

II. Slinky waves

III. Electromagnetic waves

IV. Sound waves

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12.

When two or more waves occupy the same place at the same time, the resulting effect is called

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13.

Where can you touch a standing wave on a rope without disturbing the wave pattern?

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14.

The standing wave shown above was created on a string where L = 10 meters long.

Which harmonic is shown above?

Asemmisa {{asɛmmisaAhyɛnsode}}
15.

The standing wave shown above was created on a string where L = 10 meters long.

What is the wavelength of a wave on the string above?

Asemmisa {{asɛmmisaAhyɛnsode}}
16.

The standing wave shown above was created on a string where L = 10 meters long.

If the wave speed on the string is 20 meters/second, what is the frequency that created the standing wave?

Asemmisa {{asɛmmisaAhyɛnsode}}
17.

If you double the frequency of a sound wave in air, its wavelength

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18.

At which position will an observer of sound hear a higher frequency of sound wave generated by the moving car?

Asemmisa {{asɛmmisaAhyɛnsode}}
19.

What is the wavelength of a 220 Hz sound wave in air (assume velocity of sound is 340 m/s)? (nearest hundreth)

Asemmisa {{asɛmmisaAhyɛnsode}}
20.

If you double the frequency, what will its new wavelength be? (nearest hundreth)

Asemmisa {{asɛmmisaAhyɛnsode}}
21.

The length of the string in the picture above is 6 meters.

What is the wavelength of the standing wave on the string? (nearest whole number)

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22.

The length of the string in the picture above is 6 meters.

What is the harmonic of the standing wave on the string?

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23.

The length of the string in the picture above is 6 meters.

What is the frequency of the standing wave if the velocity of the wave is 21 m/s? (nearest hundreth)

Asemmisa {{asɛmmisaAhyɛnsode}}
24.

A pendulum with a bob of mass 58g is hung from the ceiling on Earth so that is hovers just above the ground. When the pendulum is lifted to its max height it makes an angle with the vertical of 15o and when let go it has a frequency of 8.7 Hz.

What is equation to find the frequency of the pendulum?

Asemmisa {{asɛmmisaAhyɛnsode}}
25.

A pendulum with a bob of mass 58g is hung from the ceiling on Earth so that is hovers just above the ground. When the pendulum is lifted to its max height it makes an angle with the vertical of 15o and when let go it has a frequency of 8.7 Hz.

What is the length of the pendulum? (nearest thousandth)

Asemmisa {{asɛmmisaAhyɛnsode}}
26.

A pendulum with a bob of mass 58g is hung from the ceiling on Earth so that is hovers just above the ground. When the pendulum is lifted to its max height it makes an angle with the vertical of 15o and when let go it has a frequency of 8.7 Hz.

What is the height of the pendulum at its maximum displacement? (nearest hundred thousandth)

Asemmisa {{asɛmmisaAhyɛnsode}}
27.

A pendulum with a bob of mass 58g is hung from the ceiling on Earth so that is hovers just above the ground. When the pendulum is lifted to its max height it makes an angle with the vertical of 15o and when let go it has a frequency of 8.7 Hz.

What is the maximum speed of the pendulum? (nearest thousandth)