The image formed by a lens may be real or virtual. The image formed by a lens is always virtual.

Answers

Answer 1
Answer: There are types of lens; concave and convex lens.
The concave lens is a lens which has an inward curve in the middle, that is, the edges of the curve are thicker than the center of the lens, because of this, any light that enter the lens will spread out [diverge]. An image will look smaller and upright when viewed by a concave lens. Image formed by concave lens are usually VIRTUAL. 
A concave lens will produce a real image ONLY if the object is located beyond the focal point of the lens.
A convex lens is a converging lens, this is because, the center of the lens is thicker than its edges. Any ray of light that passes through the lens will converge at the middle of the lens at point called principal focus.  A convex lens produce a VIRTUAL image when the object is placed infront of the focal point. The virtual image formed is always magnified and upright.
Answer 2
Answer:

The image formed by any lens like concave and convex may be real or virtual.

How many types of lens are present?

Mainly two types of lens are present and that are concave lens also known as divergent lens and convex lens, also known as convergent lens.

  • Any light passing through the lens will disperse [diverge]. When viewed through a concave lens, an image seems smaller and more upright. Concave lenses frequently produce VIRTUAL images and concave lens will produce a real image only if the object is located beyond the focal point of the lens.
  • Any beam of light passing through the lens will converge in the lens's center, known as the main focus. When an object is placed in front of the focal point, a convex lens produces a VIRTUAL image. The resulting virtual picture is constantly amplified and oriented vertically.

Hence image formed by a lens may be real or virtual.

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6.579 rounded to nearest hundreth

What experimental evidence led Rutherford to conclude that an atom is mostly space?

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Thomson concluded that electrons must be parts of the atoms of all elements. Millikan determined the charge and mass of the electron. What experimental evidence led Rutherford to conclude that an atom is mostly empty space? The majority of the alpha particles passed straight through the gold foil.

A concentration cell is constructed using two Ni electrodes with Ni2+ concentrations of 1.0 M and 1.00 � 10�4 M in the two half-cells. The reduction potential of Ni2+ is �0.23 V. Calculate the potential of the cell at 25�C if the more dilute Ni2+ solution is in the anode compartment.

Answers

Answer: The cell potential of the cell is +0.118 V

Explanation:

The half reactions for the cell is:

Oxidation half reaction (anode):  Ni(s)\rightarrow Ni^(2+)+2e^-

Reduction half reaction (cathode):  Ni^(2+)+2e^-\rightarrow Ni(s)

In this case, the cathode and anode both are same. So, E^o_(cell) will be equal to zero.

To calculate cell potential of the cell, we use the equation given by Nernst, which is:

E_(cell)=E^o_(cell)-(0.0592)/(n)\log ([Ni^(2+)_(diluted)])/([Ni^(2+)_(concentrated)])

where,

n = number of electrons in oxidation-reduction reaction = 2

E_(cell) = ?

[Ni^(2+)_(diluted)] = 1.00* 10^(-4)M

[Ni^(2+)_(concentrated)] = 1.0 M

Putting values in above equation, we get:

E_(cell)=0-(0.0592)/(2)\log (1.00* 10^(-4)M)/(1.0M)

E_(cell)=0.118V

Hence, the cell potential of the cell is +0.118 V

The  cell potential for the cell as calculated  is 0.118 V.

What is the Nernst equation?

The Nernst equation can be used to obtain the cell potential of a cell under non- standard conditions. The standard cell potential in this case is zero owing to the fact that both cathode and anode are made of nickel.

Hence;

Ecell = E°cell - 0.0592/nlog Q

Ecell = 0 - 0.0592/2 log (1 00 * 10^-4/1)

Ecell = 0.118 V

The  cell potential for the cell as calculated  is 0.118 V.

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In Natural selection, individuals whose unique characteristics are well-suited for an environment tend to survive and produce more offspring. true or false?

Answers

Answer: True

Explanation:

Which one of these could be in the unknown anion "X" in this acid: H3Xcarbonate
fluorate
nitrogen
nitrite

Could you explain how to find this? The process?

Answers

Answer:

the answer is nitrogen

How do you fight off ADHD medication

Answers

Answer:A medication break can ease side effects. A lack of appetite, weight loss, sleep troubles, headaches, and stomach pain are common side effects of ADHD medication.

Explanation: It may boost your child’s growth. Some ADHD medications can slow a child’s growth in height, especially during the first 2 years of taking it. While height delays are temporary and kids typically catch up later, going off medication may lead to fewer growth delays.

It won’t hurt your child. Taking a child off ADHD medication may cause their ADHD symptoms to reappear. But it won’t make them sick or cause other side effects.

What are some other things that have been engineered to help people deal with the effects of gravity?​

Answers

Answer: weight helps gravity

Explanation

for example, when you outside with the wind blowing, your weight dont let you get carried away.    

Final answer:

Technologies helping humans cope with gravity include methods to simulate weightlessness for training and entertainment, and prospective technologies suggested by general relativity theories like the gravity-based time machine. Studies on the gravity response in plants can also help sustain long-term space missions.

Explanation:

There are many technologies and methods designed to help humans cope with the effects of gravity. For example, astronauts on the International Space Station (ISS) experience gravity but appear weightless because they are in constant free fall around the Earth. This is akin to the principle of equivalence, which states that falling around the Earth creates the same effects as being far off in space, away from all gravitational influences.

Training facilities, like NASA's Vomit Comet, provide an environment for astronauts to experience a state of near-weightlessness or free fall, preparing them for their missions in space. Moreover, innovations such as underwater filming, wire stunts, and computer graphics can also mimic the appearance of weightlessness, as seen in movies such as Gravity and The Martian.

Also, findings related to gravity and time machines in general relativity suggest that it might be possible, in theory, to move through time using gravity. Meanwhile, studies on how plants respond to gravity might contribute to long-duration space missions by regenerating the atmosphere, purifying water, and producing food.

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