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Irina18 [472]
3 years ago
10

What color in the visible spectrum has the longest wavelength?

Physics
2 answers:
m_a_m_a [10]3 years ago
8 0

Answer:

red

Explanation:

iF YOU LOOK AT A SPECTRUM RED HAS THE LEAST ENERGY AND FREQUENCY AND THE LONGEST WAVELENGTH

also sorry had caps on lol but idw waste ur time rewriting it

hammer [34]3 years ago
7 0
Red has the longest wavelength.
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The Balmer series in hydrogen atom produces only infrared emission. O True O False
lorasvet [3.4K]

Answer:

False

Explanation:

As we know that, the Balmer series gives the n values as,

n_{i}=2.

[tex]n_{f}=3,4,5,.....\infty.

Now the value of wavelength can be calculated as,

\frac{1}{\lambda}=R(\frac{1}{n_{i} }-\frac{1}{n_{f} } )z^{2}.

Here, R=109677 cm^{-1}.

And n_{f}=3.

Now,

\frac{1}{\lambda}=109677 cm^{-1}(\frac{1}{2}-\frac{1}{3}).

Therefore,

\lambda=\frac{6}{109677} cm\\\lambda=547\times 10^{-9} m\\ \lambda=547 nm

Therefore, the wavelength of Balmer series lies in visible region which is 547 nm.

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3 years ago
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solmaris [256]

Answer:

i think your answer is C

Explanation:

8 0
2 years ago
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When all group iia elements lose their valence electrons, the remaining electron configurations are the same as for what family
Orlov [11]
Noble Gases

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Based on relative bond strengths, classify these reactions as endothermic (energy absorbed) or exothermic (energy released)
cluponka [151]
<span>Exothermic reaction is a chemical reaction that releases energy. This reaction releases heat energy or light . In an endotermic reaction energy is used. Enthaply is the heat energy change , delta H. If the sum of the enthalpies of the reactans is greater than the products the reaction is exothermic. If the products side has a larger enthaply than the process is endothermic. So, if delta H is negative then the process is exothermic. If delta H is positive, than the process is endothermic. Exothermic are: A+BC -> AB+C A2+B2 -> 2AB Endothermic are:AB+C -> AC+B A2 + C2 -> 2AC B2+C2 -> 2BC</span>
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The type of force measured by grocery store spring scale is
alexandr402 [8]

Answer:

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