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svetoff [14.1K]
2 years ago
13

The velocity of a given wave remains the same while the wavelength increases. What happens to the frequency of the wave?

Physics
1 answer:
Degger [83]2 years ago
5 0

Answer:

B. It decreases proportionally to the wavelength

Explanation:

The relationship between wavelength, velocity, and frequency of a wave is given as;

f = \frac{v}{\lambda}

where;

f is the frequency of the wave

v is the velocity of the wave

λ is the wavelength

From the equation above, the frequency of a wave is inversely proportional to its wavelength. As the wavelength increases, the frequency decreases and vice versa.

Therefore, the correct option is "B"

B. It decreases proportionally to the wavelength

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A force of 10N is making an angle of 300 with the horizontal. Its horizontal components will be
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Answer: 5N

Explanation:

Horizontal component is the force that is applied as a result of the diagonal application of force.

here in this case,

given diagonal force =10N.

angle= 30°

horizontal component is found using trigonometry..

so,

A vector of magnitude 10 N is provided.

It is at an angle of 30° to the + x axis.

To find:

The components along the x and y axis.

Calculation:

Along x axis:

F(x) = F cos(θ)

=> F(x) = 10 × cos(30)

=> F(x) = 10 (√3/2) = 5√3N

Along y axis:

F(y) = F sin(θ)

=> F(y) = 10 sin(30°)

=> F(y) = 10 × ½

=> F(y) = 5 N.

Additional information:

1. A vector is a quantity that can be defined with both magnitude and direction.

2. Since force is a vector, we are able to break it down into components along chosen axis.

4 0
3 years ago
How to increase the current in a circuit
ivann1987 [24]

Answer:

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3. Use thick wire.

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What is 300N divided by 25 kg?
snow_lady [41]

Answer:

Explanation:

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alekssr [168]

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Explanation:

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Marina CMI [18]
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