What is index of refraction and what does it have to do with the speed of light?

Answers

Answer 1

Answer:

Index of refraction is the ratio of the velocity of light in medium to the velocity of light in vacuum.

OR:

Index of refraction is the ratio of the sine of the angle of incidence to sine of the angle of refraction of light propagating from one medium to another.

When the refractive index is greater, the speed of light is greater as it moves from the medium to vacuum.


Related Questions

help please thank u skskskskz

Answers

Answer:

top

Explanation: BTW u got a good idea to cover the camerra in the classroom :D

Answer:

side

Explanation:

Valves can be found in which of the following structures?

Answers

Answer:

In the heart.

hope it helps !

What type of tissue do pollutants collect in?

No links

Answers

Answer:

one type of tissue is animal tissue

Explanation:

brainliest pls

Para ya por favor Cual de los siguientes planteamientos se cumplen en relación a la energía en un ecosistema * A.La energía fluye de los heterótrofos a los autótrofos B.La energía, a menudo se libera de un ecosistema en forma de luz C.La organización de productores-consumidores y descomponedores muestra como la energía se concentra de manera mas alta en los descomponedores D.Para la mayoría de los ecosistemas la energía proviene de la luz

Answers

Answer:

D.Para la mayoría de los ecosistemas la energía proviene de la luz

Explanation:

Los ecosistemas requieren de un suministro constante de energía para poder sustentar la vida. A excepción de ecosistemas basados en fuentes hidrotermales, en general este aporte energético proviene del sol que suministra energía lumínica la cual es convertida por los organismos productores (por ej., plantas y algas) en compuestos orgánicos. Los productores representan la fuente de energía y alimento de consumidores primarios (por ejemplo, herbívoros), los cuales a su vez sirven de sustento para consumidores secundarios (por ej., carnívoros), estos suministran de alimento a los consumidores terciarios y así sucesivamente. Finalmente, los descomponedores son aquellos microorganismos que se alimentan de los restos orgánicos obtenidos a partir de productores y consumidores.

Which resource is a renewable resource Coal,gemstones,metal,trees

Answers

Answer:

trees

Explanation:

Answer:

Just took the quiz , It's D trees

Explanation:

Trust

what are the respiratory movement of Man?Are they same in a grasshopper or a fish?

Answers

Answer:

Respiratory movements are the muscular movement that helps in the entry or exit of air to and from the respiratory organs of an animal. The mechanism of the respiratory movement can be different in different animals.

In man, the respiration movements involve inspiration and expiration by the expansion and contraction of the thoracic cavity that leads to the flow of oxygen and carbon dioxide to and from the lungs.

In insects such as grasshopper, the flow of the air moves through the tracheae by rhythmic relaxation and contraction of abdominal muscles. In fish respiratory movements involves entering the oxygen through their mouth and release CO2 from the gills.

PLEASE HELP ME ASAPPPPPPPPPPPPPP!!!!!!!!! No links !!!!

Answers

Answer:

1. Tundra.

2. Desert.

3. Tropical Rain Forest.

4. Grassland.

Explanation:

How is water stored on Earth during the water cycle?

Answers

Water can be stored on the surface of the Earth and underground. The water storage areas are known as reservoirs and include oceans, glacier ice, groundwater, lakes, soil moisture, living organisms, the atmosphere, and rivers.

Use the model of meiosis that you made earlier in the lesson to explain how crossing over contributes to genetic diversity. How did you modify your model? How do you think crossing over affects the expression of certain traits compared to the cells where crossing over didn't occur?

Answers

Hello. You have not shown the model of meiosis to which the question refers, which makes it impossible for this question to be answered accurately. However, I will try to help you in the best possible way.

Crossing over is a genetic phenomenon that occurs when two sister chromatids are broken at some points and the pieces are exchanged between them. these exchanges cause the appearance of completely new gene sequences, which can completely affect the expression of stretches in the cells where the crossing over happened, since this cell will have a different gene sequence than the others.

As you may already know, chromosomes are formed by two filaments, called a chromatid. These filaments are united by the centromeros and the union of two filaments and a centromero is called sister chromatides.

explain the circulation of blood​

Answers

Explanation:

blood comes into the right atruim from the body

Answer:

The circulation of blood is where basically the blood comes or goes into the right atrium from the body, this then moves into the right ventricle and is then pushed into what is called the pulmonary arteries in the lungs of a human. Once it has picked up oxygen, the blood will then travel back to the heart through the pulmonary veins, but this time it will go into the left atrium, so to the left ventricle and including out to the human body's tissues through the aorta.

I hope this helps you

8. Why is there only one kind of enzyme for each biochemical reaction?

Answers

An enzyme needs to match the active site so they can interact in a precise matter. they are specific because they each have a certain thing to do.

Everyday we observe chemical and physical changes in the matter around us. Which statement correctly describes a physical or chemical change? ( EXPLAIN WHY THE ANSWER IS CORRECT)

a. Physical changes create new compounds
b. Chemical changes break the bonds between atoms.
c. Chemical changes alter only the phase of a substance
d. Physical changes alter the composition of the starting materials.

Answers

Answer:. Physical changes create new compounds

Explanation:

i think

The fact that brown moths are easier to see and less likely to survive is known as

Answers

Answer:

Selection

Explanation:

Selection, in biology, the preferential survival, and reproduction or preferential elimination of individuals with certain genotypes (genetic compositions), by means of natural or artificial controlling factors.

The fact that brown moths are easier to see and less likely to survive is know as natural selection

****ANSWERED**** Use the drop-down menus to indicate which endocrine structure is being described in each case.
BLANK is the connection between the nervous system and the endocrine system.
BLANK is called the master gland because it affects the release of the hormones of the other glands in the endocrine system.
BLANK A malfunction in this gland that releases growth hormone can lead to gigantism.

HYPOTHALAMUS
PITUITARY
PITUITARY
EDGE 2021

Answers

Answer:

HYPOTHALAMUS

PITUITARY

PITUITARY

EDGE 2021

The hypothalamus is the link between the nervous system and the endocrine system. The pituitary gland is called the master gland because it influences the release of hormones by other glands in the endocrine system, malfunctioning of which releases growth hormone, which can lead to gigantism.

What is Pituitary gland?

The pituitary gland is defined as a small, pea-sized endocrine gland located at the base of your brain below the hypothalamus that releases several important hormones and controls the function of many other endocrine system glands.

There are four hormones which is secreted by the anterior pituitary gland that control the functions of other endocrine glands where these hormones include thyroid-stimulating hormone (TSH), adrenocorticotropic hormone (ACTH), follicle-stimulating hormone (FSH), and luteinizing hormones (LH). The pituitary gland is called the master gland.

Thus, the hypothalamus is the link between the nervous system and the endocrine system while the pituitary gland is called the master gland

Learn more about Pituitary gland, here:

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Of the four points shown on the diagram, deposition is greatest at points

Answers

Answer: I would say B and C.

Explination: Deposition is material deposited in a new spot. On points B and C, it appears the residue from the water would end up on those river banks.

PLZ HELP!!! WILL MARK THE BRAINLIEST IF ANSWER IS CORRECT.

Relevant Scenario: When explaining dominant and

recessive traits to a younger family member, they respond,

"Well chances are I can probably taste PTC, since dominant

traits are more common." How might you address this

misconception?

Answers

Answer:

Dominance of an allele does not make it more frequent in the population.

Explanation:

Is this correct if not what is the correct answer

Answers

Answer:

Yes, you're answer is correct

As,

The amount of oxygen will decrease as the trees can't undergo photosynthesis.

Answer:

your answer is wrong it's the next one donw

Which is an example of a noncontact force?
elastic force
o normal force
O applied force
O electric force

Answers

Answer: I think it is electric force because they don't rely on a force to move or contract. Think of a rubber band. No matter how much you stretch it, it will always return to it's normal shape.

Hope it helps. Brainliest?

name one breed of chicken that is reared for egg production​

Answers

Answer:

featherless chicken

Explanation:

Answer: Barred Rock Chicken

Explanation:

Fish

What would be the biggest fish in the ocean? (Not including sharks, whales)


Another fun/random question for you guys)

Answers

Answer:

would it be the oarfish?

Distinguish between apocarpous and syncarpous

Answers

1.The Flower Has Several Ovaries In Apocarpous.There is a single ovary in syncarpous
2. On maturity apocarpous ovary forms fruitlet of aggregate type. on maturity syncarpous ovary forms a simple fruit.
Hope either of these helped

Explain why your model improves upon the student’s original model. How would your model help someone who was learning about photosynthesis for the first time?

Answers

Answer:

Determine how many groups you will have.  

Prepare ping-pong balls.  

Collect egg cartons.  

Prepare the egg cartons.  

Prepare “energy tokens.”  

 Post signs in the classroom.  

 Prepare filled H20 and C02 “molecules.”

Explanation:

Photosynthesis occurs in two stages. In the first stage, light-dependent reactions or light reactions capture the energy of light and use it to make the energy-storage molecules ATP and NADPH. During the second stage, the light-independent reactions use these products to capture and reduce carbon dioxide.

Answer:

This new model may better explain the elements required for photosynthesis to occur. Sunlight, water, and carbon dioxide are required for the plant to produce its own food. Someone who is unfamiliar with the process of photosynthesis must begin with the basics and then build on this knowledge.

5 types of fungus that play a role in the lives of humans​

Answers

A limited number of species are commonly associated with humans as colonizers and opportunistic pathogens: C. albicans, Candida glabrata, Candida parapsilosis, Candida tropicalis, Candida lusitaniae, and Candida krusei.
penicillin(medicine) and food are 2

Could you help me? Please I was thinking but couldn't find a answer for it.

Answers

I could try help, what is the answer you are looking for?

What happens to the DNA strand once your RNA strand is made?

Answers

Answer:

when RNA strand is made the dna duplicates

22. According to the following picture, if the middle dashed line represents a phospholipid bilayer in which the red solute may not pass, in which direction will the net amount of water flow? a to the left b to the right C neither d both​

Answers

Answer:

D) Both

Explanation:

If the liquid cannot pass through the present phospholipid bilayer it must travel elsewhere left or right.

Which of the following statements is false?

A. Disruptions in an ecosystem are normal and natural changes.

B. Disruptions in an ecosystem are only caused by tornadoes, hurricanes, and floods.

C. Disruptions in an ecosystem are caused by both human activity and environmental disturbances.

D. Ecosystems are complex, interactive systems that include both biotic and abiotic components of the environment.​

Answers

Answer:B

Explanation:

Common sense ‍♀️

Answer:

c

Explanation:

humans can also disrupt the ecosystem as well as natural causes

2. Drag the parent over to the Parent 1 space and press Reproduce. Fill in the Offspring traits on the table above. What traits appear to be inherited from the parent?

Answers

Answer:

All of the traits were inherited from the parent to the offspring except for the tattoo.Because this offspring inherits its traits from one parent, it is called a clone.

Explanation in https://www.coursehero.com/file/24431979/InheritanceSE-Geigerdoc/

Do plants with shallow roots or deep contain a greater amount of radioactive substances?

Answers

Answer:

yes

Explanation:

roots that are deep get to more radioactive material underneath the earth

It is correct that the roots that are deep contain a greater amount of radioactive substances.

What are radioactive substances?

Radioactive substances are atoms that naturally decay. They have the ability to emit alpha particles, beta particles, and gamma radiation.

Because they cannot be turned off like X-ray sources, they are more difficult to control.

Radioactive substances emit three types of dangerous radiation: alpha particles, beta particles, and gamma rays.

A substance is said to be radioactive if it contains unstable nuclei and can naturally release energy by shedding high-speed charged particles in an attempt to achieve a stable state.

However apart from the heat produced by the planet's establishment, radioactive potassium, uranium, as well as thorium are presumed to be the three principal sources of heat in the Earth's interior.

Thus, it can be concluded that the deeper roots will encounter more radioactive substances.

For more details regarding radioactive substances, visit:

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Which of these Is NOT a type of habitat?

A) a desert
B) a mountain
C) a rainforest
D) the world

Answers

Answer:

D

Explanation:

Its kinda hard to explain but the world is more like a planet(?) and not a type of habitat since anything can live on it

Answer:

D- the world

Explanation:

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