Chemistry Middle School

A student is modeling the image that will be produced by a double concave len as shown.



Select the correct information from the drop down menus to describe the image created by the lens.

A Student Is Modeling The Image That Will Be Produced By A Double Concave Len As Shown.Select The Correct

Answers

Answer 1

Answer:

Explanation:

i d k

Answer 2

The image will be virtual. The image will be upright. Compared to the original object, the image created will be reduced in size.

What is a double concave lens?

A double concave lens, also known as a biconcave lens, is a type of lens that is thinner at the center and thicker at the edges, causing light rays passing through it to diverge.

This lens can be identified by its two curved surfaces that bulge inward, towards the opposite side of the lens. It is used to correct myopia (nearsightedness) and can also be used as a simple magnifier.

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Related Questions

-Where is
decantation used? Give
two example


class 6
who answers first will marked as a brainliest.

Answers

Decantation is a method used in several areas, including:

1. Winemaking - Decanting wine removes particles that have settled at the bottom of the bottle over time. This allows the wine to aerate and release its aromas.

2. Separating solids from liquids - Decanting involves pouring a liquid off from undissolved solid particles. For example, decanting is often used to separate clear supernatant liquid from sediment at the bottom of a test tube after centrifuging. This allows analysis or use of just the clear liquid portion.

3. Liquids of different densities - Decanting can be used to separate immiscible liquids of different densities. For example, a mixture of water (dense) and lighter petroleum ether can be decanted to separate into layers.

4. Filtration - Decanting essentially functions as a form of filtration, allowing the passage of liquid but not solid particles. It is a primitive filtration technique.

5. Removing froth - Decanting may be used to remove , froth or other debris that forms at the surface of a liquid. The clear liquid below can be decanted off, leaving the surface contaminants behind.

So in summary, decanting is useful for separating solids from liquids, liquids of different densities, filtration, removing surface as well as preparing wine for consumption. Let me know if you have any other questions!

Decantation can be used for the separation of mixtures of immiscible liquids or solid mixture.



Two examples :

1.obtaining clear water from muddy water

2.separation of cream and milk. Cream accelerates to the top of milk and hence a immiscible layer is formed which can be seperated

What is the radius of the white dwarf star?

a.) 1.003
b.) 1.246
c.) 1.0
d.) .0084
e.) .0053

Answers

Answer:

2700km is the mass of white dwarf star

Explanation:

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The radius of a typical solar mass white-dwarf is about 7000km: i.e., about the same as the radius of the Earth.

When light enters and leaves the prism, its path is changes because the light is _____ at the boundary between the glass and the air

A. Absorbed

B. Diffracted

C. Reflected

D. Refracted

Answers

Answer:

Refracted

Explanation:

I just know :) (;

Answer :refracted cause thats physics my friend

The mass of Betelgeuse is about ___ times the mass of Vega

(This is not multiple choice.)

Answers

Betelgeuse is a red supergiant star located in the constellation Orion, while Vega is a main-sequence star located in the constellation Lyra. The mass of Betelgeuse is estimated to be about 20 times the mass of the Sun, while the mass of Vega is estimated to be about 2.1 times the mass of the Sun. Therefore, the mass of Betelgeuse is about 9.5 times the mass of Vega.

Therefore, the mass of Betelgeuse is about 17.634 kg/ 9.5 times the mass of Vega.

Vega is a main-sequence star located in the constellation Lyra. Betelgeuse is a red supergiant star located in the constellation Orion. The mass of Betelgeuse is observed to be about 20 times the mass of the Sun, while the mass of Vega is estimated to be about 2.1 times the mass of the Sun. Therefore, the mass of Betelgeuse is theoretically estimated to be around 9.5 times the mass of Vega.

Experimentally,

The mass of Betelgeuse is 2.188 x10^31 kg

The mass of Vega is 4.246 x 10^30 kg

Hence, the mass of Betelgeuse is about 17.634 kg/ 9.5 times the mass of Vega.

To learn more about Betelgeuse and Vega,

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