What can be broken down into tiny fundamental subatomic particles?

1 answer:

4 0

The correct answer is matter. Matter is a physical substance, so it is that only option provided that can be broken down to the subatomic particle level.

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A certain part of the electromagnetic spectrum ranges from 200 nm to 400 nm. what is the highest frequency associated with this

snow_tiger [21]

The lowest and highest wavelengths of this part of the electromagnetic spectrum are:
$\lambda_1 = 200 nm=200 \cdot 10^{-9} m$
$\lambda_2 = 400 nm=400 \cdot 10^{-9} m$

The frequency and the wavelenght of an electromagnetic wave are related by
$f= \frac{c}{\lambda}$
where c is the speed of light and f the frequency. By using this equation, we can find the frequencies that corresponds to the lowest and highest wavelengths of this part of the spectrum:
$f_1 = \frac{c}{\lambda_1}= \frac{3 \cdot 10^8 m/s}{200 \cdot 10^{-9} m}=1.5 \cdot 10^{15}Hz$
$f_2 = \frac{c}{\lambda_2}= \frac{3 \cdot 10^8 m/s}{400 \cdot 10^{-9} m}=7.5 \cdot 10^{14}Hz$

So, the highest frequency associated with this part of the spectrum is the one corresponding to the lowest wavelength:
$f_1 = 1.5 \cdot 10^{15}Hz$

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2 years ago

In order for work to be done, what three things are necessary?

andrey2020 [161]

The three things that are necessary are power, a force, and movement in the opposite direction of the applied force.

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3 years ago

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The formula for average speed is

Ket [755]

Answer:

Explanation:

The most common formula for average speed is distance traveled divided by time taken. The other formula, if you have the initial and final speed, add the two together, and divide by 2

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3 years ago

Select the star life cycle that is accurate.

Veseljchak [2.6K]

Answer:

B according to the picture

Explanation:

Star of 3 stellar masses => red supergiant=>supernova=>neutron star

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2 years ago

The equation for the conservation of mechanical energy is:

marusya05 [52]

Answer:

The answer is A because the equation is KEi+PEi=KEf+PEf

i means initial (before) and f means final (after)

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2 years ago