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Schach [20]
3 years ago
13

Changing the length of an air column will alter its

Physics
2 answers:
netineya [11]3 years ago
8 0

The change in the length of air column alters the natural frequency.

<u>Explanation: </u>

Various resonance is obtained by changing the length of air column.

The length of air column is in inverse relation with natural frequency, that is, when air column length is increased, the natural frequency decreases. And, when air column length is decreased, the natural frequency is increased. The source frequency will not change without physically altering the source.

AveGali [126]3 years ago
7 0

Answer:

i think its pressure

Explanation:

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IgorC [24]
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If the length of a ramp (an inclined plane) is 12 ft, and it rises 2 ft, what is its MA?
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What’s the potential difference across a 5.0 ohms resistor that carries a current of 5.0A
vivado [14]

Answer:

The correct answer is B-25 V

Explanation:

We apply Ohm's Law, according to which:

V = i x R

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3 years ago
The presence of which phenomenon proved the predictability of the big bang theory?
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3 years ago
Read 2 more answers
Only 35 % of the intensity of a polarized light wave passes through a polarizing filter. What is the angle between the electric
Nana76 [90]

Answer:

The angle between the electric field and the axis of the filter is 54⁰

Explanation:

Apply the equation for intensity of light through a polarizer.

I = I_oCos^2 \theta

where;

I is the intensity of the transmitted light

I₀ is the intensity of the incident light

θ is the incident angle

If only 35 % of the intensity of a polarized light wave passes through a polarizing filter, then the ratio of the intensity of the transmitted light to that of the intensity of the incident light is given by;

\frac{I}{I_o}  = Cos^2 \theta\\\\\frac{35}{100} =  Cos^2 \theta\\\\Cos^2 \theta = 0.35\\\\Cos\theta = \sqrt{0.35} \\\\Cos\theta = 0.5916\\\\\theta = Cos^{-1}(0.5916)\\\\\theta  = 54 ^0

Therefore, the angle between the electric field and the axis of the filter is 54⁰

3 0
2 years ago
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