Light waves travel at different speeds through different ​medium. Which list shows the correct order of increasing speed of light waves in ​medium, from slowest to fastest?

A solids → liquids → gases
B gases → liquids → solids
C gases → solids → liquids
D liquids → solids → gases

Answers

Answer 1

Answer:

I think the correct answer is B

Answer 2

The speed of the light is different in different medium. The speed of the light is highest in vacuum. The increasing speed of light waves in ​medium, from slowest to fastest is gases → liquids → solids. The correct option is B.

What is light wave?

A light wave is a mechanical wave. A mechanical wave is defined as the wave which is an oscillation of matter and it is responsible for the transfer of energy through a medium. There are two types of mechanical wave, they are longitudinal waves and transverse waves.

The light wave is a transverse wave. The movement of the particles is at right angles or perpendicular to the motion of the energy. The speed of the light depends on the density of the medium. The more density, less will be the speed of the wave.

The gaseous state has less intermolecular force of attraction as compared to the liquids and solids. So in gaseous state light has maximum speed.

Thus the correct option is B.

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Related Questions

There are no self-sustaining fusion reactors operating in the world because there is currently a lack of:____________.
A) a way to achieve the extremely high temperatures needed for a fusion reaction
B) a method to dispose of the waste produced by fusion reactions
C) a way to contain fusion reactions
D) materials that will participate in fusion

Answers

Answer:

b is the correct answer....

To solve such this we must know the concept of  fusion reactions. Therefore, the correct option is option B that is a method to dispose of the waste produced by fusion reactions.

What is chemical reaction?

Chemical reaction is a process in which two or more than two molecules collide in right orientation and energy to form a new chemical compound. The mass of the overall reaction should be conserved.

Fusion processes, which convert protons into heavier elements, are the source of energy generation in stars. They are also a possible source of energy for contemporary industrial society. The transformation of hydrogen to helium is the primary source of energy in stars. There are no self-sustaining fusion reactors operating in the world because there is currently a lack of a method to dispose of the waste produced by fusion reactions.

Therefore, the correct option is option B.

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Density = Mass
Volume

To find the density of a solid:

Find the mass of the block.
Find the volume of the block using (length x width x height)
Use the equation to find density.


#1 #2 #3 #4 #5 = (2x3x4) #1/#5
Block #
Mass (g)
Length (cm)
Width (cm)
Height (cm)
Volume
(cm3)
Density (g/cm3)
1
75
6
3
4
72
1.04
2












3












4












5












6












7












8















Follow up questions:


Which two blocks were made out of the same material?




How do you know?

Does a larger block always have a higher density?

Answers

Answer:

what is it all about???

Write the net ionic equation for Potassium chloride + sodium nitrate​

Answers

I believe the answer is this:

KCl + NaNO3 --> KNO3 + NaCl.

Answer:

No reaction

Explanation:

KCl + NaNO3 --> KNO3 + NaCl

Since these substances are all aqueous (no precipitates or other phases involved), if you were to write the ionic equation and cross out spectators, they'd all cancel so there is no reaction.

A 5.0 g sample of metal was heated from 10°C to 40. °C. It absorbed 43.7 J of energy as heat. What is the specific heat of this piece of metal?

Answers

Answer:

Balls

Explanation:

Cuz

A 12.0% sucrose solution by mass has a density of 1.05 gem, what mass of sucrose is present in a 32.0-mL sample of this solution?
A) 0.126g
B) 3.66g
C) 4.03g
D) 3.84g
E) 280 g

Answers

Answer:

Option C. 4.03 g

Explanation:

Firstly we analyse data.

12 % by mass, is a sort of concentration. It indicates that in 100 g of SOLUTION, we have 12 g of SOLUTE.

Density is the data that indicates grams of solution in volume of solution.

We need to determine, the volume of solution for the concentration

Density = mass / volume

1.05 g/mL = 100 g / volume

Volume =  100 g / 1.05 g/mL → 95.24 mL

Therefore our 12 g of solute are contained in 95.24 mL

Let's finish this by a rule of three.

95.24 mL contain 12 g of sucrose

Our sample of 32 mL may contain ( 32 . 12) / 95.24 = 4.03 g

What is the visual differences between elements compounds and mixtures

Answers

Answer: yes I can do that tomorrow

Explanation:

Like an element, a compound is considered a pure substance (meaning there is only one type of particle in the substance). A mixture is a combination of two or more different chemical compounds or elemental substances. It is not a pure substance, but a combination multiple particles.


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Which of the following is not a required characteristic for a living organism?
A) reproduction
B) mobility
C) homeostasis
D) adaptation

Answers

Answer:

B

Explanation:

living things are not required to move

The answer is C
Because it needs everything else, but u gotta choose one

How many moles are in the 100,000g of CuSO4 • 5H2O ?

Answers

Answer:

try (107.87 amu)

Explanation:

g Which statement concerning the structure of the atom is correct? Protons and neutrons have most of the mass and occupy most of the volume of the atom. Electrons have most of the mass but occupy very little of the volume of the atom. Electrons have most of the mass and occupy most of the volume of the atom. Protons and neutrons have most of the mass but occupy very little of the volume of the atom.

Answers

Protons and neutrons have most of the mass but occupy very little of the volume of the atom.

The statement concerning the structure of the atom is correct is Protons and neutrons have most of the mass but occupy very little of the volume of the atom. Therefore, option D is correct.

What is an atom ?

Each atom is made up of a nucleus and one or more electrons that are linked to it. One or more protons and a significant number of neutrons make up the nucleus. Only the most prevalent type of hydrogen is neutron-free. Atoms that are neutral or ionized make up every solid, liquid, gas, and form of plasma.

But when it comes to the name atom, we must travel back to 400 B.C. ancient Greece. The Greek word atomos, which meaning "uncuttable," was proposed by Democritus, a renowned philosopher. In the end, all matter could be reduced to distinct, tiny particles, or atomos, he said.

The smallest unit of matter that may be divided without producing electrically charged particles is the atom.

Thus, option D is correct.

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c. What might have happened in Kush and Egypt if Kush had developed iron
weapons?

Answers

Answer:

Kush would have been able to fight better and probably would have never been invaded by Egypt, and they could have beaten the Assyrians when they tried to takeover Egypt. And the 25th dynasty would have continued.

Explanation:

that is my explanation and answer^

The electron configuration for an element is 1s2 2s2 2p6 3s2 3p6. What is the atomic number of the element? *
A. 3
B. 11
C. 18
D. 22

Answers

Explanation:

Electronic configuration =

1s² 2s² 2p⁶ 3s² 3p⁶

Atomic number = 18Element = ArgonSymbol = ArGroup = 18period = 3

Therefore,

Option C is correct✔

According to the electronic configuration, the atomic number of the element is 18.

What is electronic configuration?

Electronic configuration is defined as the distribution of electrons which are present in an atom or molecule in atomic or molecular orbitals.It describes how each electron moves independently in an orbital.

Knowledge of electronic configuration is necessary for understanding the structure of periodic table.It helps in understanding the chemical properties of elements.

Elements undergo chemical reactions in order to achieve stability. Main group elements obey the octet rule in their electronic configuration while the transition elements follow the 18 electron rule. Noble elements have valence shell complete in ground state and hence are said to be stable.

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WILL BRAINLIEST !!
Which of the following transitions produces light with the longest wavelength?
A. 2—>1
B. 3—>1
C. 4—>2
D. 4—>3

Answers

i think the answer is C.

Please answer. Thank you

Answers

Answer:

Explanation:

what are tho anwser choices

S this true or false most energy we use comes from fossil fuels

Answers

Answer:

True. Hope this helps. :)

True! Fossil fuels are one of the most common energy sources on earth.

From acetic acid how to get formic acid ?

Answers

Answer:

The Reaction of acetic acid withNaN3 gives out methylamine. rxn of methylamine to HNO2 to give out methanol. oxidation of methanol via Kcr207(H+) to give formic acid.

PLEASE HELP I WILL GIVE BRAINLIEST!!!!!

What is a main difference between a mixture and a pure substance?
OAmixture is only a liquid, but a pure substance can be in any state.
OAmixture looks the same throughout, but a pure substance does not.
OAmixture can vary in composition, but a pure substance has a set composition.
O Amixture can be made up of a single compound, but a pure substance cannot

Answers

Answer:

I think the answer is c!

Explanation:

Pure substances are further broken down into elements and compounds. Mixtures are physically combined structures that can be separated into their original components. A chemical substance is composed of one type of atom or molecule. hope this helps you!

How many atoms are in 2.37 moles of Krypton

Answers

Answer:

1.43 × 10²⁴ atoms Kr

General Formulas and Concepts:

Chemistry - Atomic Structure

Using Dimensional AnalysisAvogadro's Number - 6.022 × 10²³ atoms, molecules, formula units, etc.

Explanation:

Step 1: Define

2.37 mol Kr

Step 2: Convert

[tex]2.37 \ mol \ Kr(\frac{6.022 \cdot 10^{23} \ atoms \ Kr}{1 \ mol \ Kr} )[/tex] = 1.42721 × 10²⁴ atoms Kr

Step 3: Check

We are given 3 sig figs. Follow sig fig rules and round.

1.42721 × 10²⁴ atoms Kr ≈ 1.43 × 10²⁴ atoms Kr

Cant figure this out

Answers

Provide a picture plz

What is the scale called that measures the strength of an acid or base in solution?
A the Color scale
B pH scale
C The litmus test
D The number scale

Answers

Answer:

The answer is B. pH scale

Answer:

pH scale

Explanation:

ph scale basically measures the acidity and basicity of the solution

for the following equation to be bal

Answers

Answer:

What's the rest of the question

Explanation:

Write the formula for diphosphorous pentoxide

Answers

Answer:

P4O10

Explanation:

Calculate ΔH° = for the chemical reaction
Cl2(g) + F2(g) --->2ClF(g)

Bond Energies, kJ mol-1
F---F 159
Cl--Cl 243
Cl--F 255

Answers

Answer: [tex]\Delta H^0[/tex] for the reaction [tex]Cl_2(g)+F_2(g)\rightarrow 2ClF(g)[/tex]  is -108kJ

Explanation:

The balanced chemical reaction is,

The expression for enthalpy change is,

[tex]\Delta H=[n\times B.E_{reactants}]-[n\times B.E{products}][/tex]

where, n = number of moles

Now put all the given values in this expression, we get

[tex]\Delta H=[1\times B.E_{Cl_2}+1\times B.E_{F_2}]-[2\times B.E_{ClF}][/tex]

[tex]\Delta H=[(1\times 243)+(1\times 159)]-[2\times 255][/tex]

[tex]\Delta H=-108kJ[/tex]

Thus [tex]\Delta H^0[/tex] for the reaction [tex]Cl_2(g)+F_2(g)\rightarrow 2ClF(g)[/tex]  is -108kJ

If 6.63 g of CuNO3 is dissolved in water to make a 0.140 M solution, what is the volume of the solution in milliliters?

Answers

Answer:

377mL is the volume of the solution

Explanation:

A 0.140M solution of CuNO₃ contains 0.140 moles of CuNO₃ per liter of solution. Thus, we need to convert first the mass of CuNO₃ to moles using its molar mass and, with the moles available, we can find the volume of the solution, thus:

Moles CuNO₃ -Molar mass: 125.55g/mol:

6.63g * (1mol / 125.55g) = 0.0528 moles of CuNO₃.

Volume of solution:

0.0528 moles of CuNO₃ * (1L / 0.140 moles CuNO₃) = 0.377L

0.377L * (1000mL / 1L) =

377mL is the volume of the solution

Can someone answer 3’for me please?

Answers

The correct is B, the ball in her hands has potential energy. When it falls, the potential energy changes to kinetic energy.
b is the correct answer

if the heat of fusion of ethonal is 0.1 kj/g and the heat of vaporization of ethonal is 0.9 kj/g how much heat is needed to melt 10 g of ethanol?

Answers

Heat needed to to melt 10 g of ethanol : 1 kJ

Further explanation

The heat to change the phase can be formulated :

Q = mLf (melting/freezing)

Q = mLv (vaporization/condensation)

Lf=latent heat of fusion

Lv=latent heat of vaporization

mass of ethanol= 10 g

Heat needed to melt :

[tex]\tt Q=m\times L_f\\\\Q=10~g\times 0.1~kJ/g\\\\Q=\boxed{\bold{1~kJ}}}[/tex]

Middle school science help please. ill give brainliest

Answers

Answer:

It converts The liquid into a gas at the same temperature.

Explanation:

Answer:

it converts the liquid into gas at the same temperature

Explanation:

when heat is added to a liquid at boiling temperature it converts the liquid into gas at that same boiling temperature

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What energy allows for the difference in the spacing of molecules in a liquid versus a gas?

A. Electrical energy
B. Radiant energy
C. Potential energy
D. Kinetic energy

Answers

Answer:

kinetic energy

Explanation:

yeah it's correct

2. Using cloning as a form of regenerating cells for damaged tissues is viewed at which
level?
a. Naked eye
b. Microscopic
c. Too small to even sce
d. Macroscopic

Answers

The answer is B. Mircoscopic

In a carbon dioxide molecule, a double covalent bond forms when the carbon atom shares what
pairs of valence electrons with each oxygen atom.

Answers

Answer:

2 pair of an electron

Explanation:

carbon having 6 valence electron 2 electron involved in covalent bonding so 4 electron means 2 pairs of an electron will left.

Suppose you used 0.5 M NaOH to titrate your vinegar sample instead of 0.1 M. What effect does the concentration of base added have on the reliability of the results of your titration?

Answers

Answer: the reliability will be worse

Explanation:

Suppose we used 0.5 M NaOH to titrate our vinegar sample instead of 0.1 M.

Now by using 0.5M instead of 0.1M we are increasing the concentration of NaOH,

We know that  the moles used = Volume x concnetration.

so for the same no of moles, if the concentration increases, the volume decreases.

Hence it will consume less NaOH.

now Since the volume decreases, the titration volume of less number will increase the % error.

Therefore the reliability will be worse.      

The effect that the concentration of the added base has on the reliability of the results of the titration in question is; The reliability will be worse.

We are told that;

0.5 M NaOH is to be used to titrate a vinegar sample instead of 0.1 M.

Now, 0.5 M means a concentration of 0.5 and since it is higher than 0.1M, it means the concentration of NaOH will increase.

Formula for number of moles used is;

n = V × M

Where;

n is number of moles

V is volume

M is concentration

We can see that number of moles is directly proportional to the volume and concentration.

Thus, if the number of moles remains unchanged, as we have increased the concentration, it means that the volume will decrease.

Thus, lesser volume of NaOH will be used and as a result of this decrease in volume, there will be a greater possibility of error.

In conclusion, we can say that the reliability will be worse.

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