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3 years ago

How do the properties of an electromagnetic wave change as a result of increasing the period of the wave?

Physics

1 answer:

Ahat [919]3 years ago

8 0

Explanation:

All matter contains charged particles that are always moving therefore, all objects emit EM waves.

The relation between the magnetic field and electric field is

B_{max}= c E_{max}

The wavelength becomes shorter as the temperature of the material increases.

As frequency increases, wavelength becomes smaller.

Frequency is inversely proportional to the period of time so, when increasing the period of wave, frequency decreases, wavelength becomes larger.

wave number is inversely proportional to wave length.

so, increasing wavelength decrease the wave number.

1. wavelength increases.

2. B_max remains the same

3. polarization is same

4. wave number decreases

5. frequency decreases

6. E_max is also same

7. angular frequency decreases.

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The measurement 0.025563 g should be reported as?

Tomtit [17]

The given mass is 0.025563 g.

Examine the given choices.
a. 0.026 g
This uses 2 significant digits, with rounding to the 3rd decimal place.

b. 2.5 x 10² g = 250 g.
It is incorrect.

c. 0.025 g.
This uses 2 significant digits. It is inaccurate because it does not use rounding to the 3rd decimal place.

d. 0.02 g
This uses one significant digit. It is incorrect for representing the given data.

Answer: a. 0.026 g

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3 years ago

what should be the angle between two vectors of same angle so that their resultant is equal to either of them?

asambeis [7]

So, the angle between two vectors having equal magnitude is equal to 120º.

Explanation:

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2 years ago

The basic methods and techniques used by psychologists to investigate human behavior?

Stels [109]

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2 years ago

Energy is the ability to___or___ matter

Anton [14]

Energy is defined in science as the ability to move matter or change matter in some other way.

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3 years ago

An inductor is connected in series to a fully charged capacitor. Which of the following statements are true? Check all that appl

Furkat [3]

Answer:

a. The stored electric field energy can be greater than the stored magnetic field energy.

b. As the capacitor is discharging, the current is increasing.

d. The stored electric field energy can be less than the stored magnetic field energy.

e. The stored electric field energy can be equal to the stored magnetic field energy.

Explanation:

We know that total energy of capacitor and inductor system given as

$TE=\dfrac{LI^2}{2}+\dfrac{CV^2}{2}$

L=Inductance ,I =current

C=Capacitance ,V=Voltage

The total energy of the system will be remain conserve.If energy in the inductor increases then the energy in the capacitor will decrease and vice -versa.

The values of stored energy in the capacitor and inductor can be equal ,greater or less than to each other.But the summation will be constant always.

Therefore the following option are correct

a ,b , d , e

6 0

3 years ago