Light waves entering the eye first pass through the cornea, then through the pupil, and finally through the lens, before being focused onto the retina.
As light waves enter the eye, they pass through three main structures before reaching the retina where they are detected by photoreceptor cells. The first structure light encounters is the cornea, which is a transparent layer at the front of the eye. After the cornea, light travels through the pupil, which is the opening in the center of the iris that can adjust in size to control the amount of light entering the eye. Finally, light passes through the lens, which focuses the light waves onto the retina. The cornea and the lens are responsible for most of the eye's refractive power, ensuring images are sharply focused.
A car making a 111-km journey travels 41 km/h for the first 55.5 km. how fast must it go during the second 55.5 km to average 51 km/h?
"what scientific principle is the mercury barometer based on"
You drop a rock off the top of a 100m tall building. How long does it take to hit the ground?
NEED THIS ANSWERED ASAP!!!! IN MIDDLE OF TEST RN HELP PLZ
Barry is conducting an experiment and rolls a tennis ball down a ramp. Which best describes the motion of the tennis ball?
A)It does not exhibit projectile motion and follows a straight path down the ramp.
B)It does not exhibit projectile motion and follows a parabolic path down the ramp.
C)It exhibits projectile motion and follows a straight path down the ramp.
D)It exhibits projectile motion and follows a parabolic path down the ramp.
What was the physical principle used by edwin hubble to demonstrate that the "spiral nebulae" are very distant and large?
Why are some objects heavier than others?
What are the four layers of oceanic crust from top to bottom?
Oceanic, Crust, Geolific, techtonic are the four layers of oceanic crust from top to bottom.
what are oceanic crust ?Oceanic crust is nothing but the part of the Earth's crust which makes up the seafloor which is thinner, denser, and simpler in structure than the continental crust; it is younger, on average; from its birth at a mid-ocean ridge to its end at a subduction zone.
The oceanic crust fragments are sometimes become stranded high and dry on top of a continent; both Continental Crust together constitute the Earth Crust, yet they are completely distinct in composition, thickness and geological history.
The Oceanic Crust exists at the bottom of all Oceans, filling the spaces between the portions of Continental Crust, its density and thickness, plunges below the edge of the continental plate into the subduction zones.
This causes formation of a new ocean plate to accommodate displacement of continents and replace the plate that is destroyed by subduction.
For more details oceanic crust, visit
https://brainly.com/question/5637320
#SPJ6
Which of these helps you understand what people are saying to you? A. Interrupting them B. Looking away while they're speaking C. Thinking about how you'll respond D. Thinking about what they're saying
A hot air balloon is ascending at a rate of 7.5m/s when a passenger drops a camera. If the camera is 25m above the ground when it is dropped, how much time does it take for the camera to reach the ground, and what is the velocity just before it lands?
A hot air balloon is ascending at speed of 7.5 m/s when a passenger drops a camera. If the camera is 25 m above the ground when it is dropped, it will take the object 3.15 seconds to reach the ground.
What is speed?The speed of an object is the magnitude of the change of its position over time or the magnitude of the change of its position per unit of time; it is thus a scalar quantity.
The time it takes for an object to reach a certain level given the distance and the initial velocity can be calculated through the equation,
d = V₀t + 0.5*gt²
Where d is the distance, V₀ is the initial velocity, g is the acceleration due to gravity and t is time. Substituting the known values from the given above,
25 = (-7.5)(t) + 0.5(9.8 m/s²)(t²)
The value of t from the equation 3.15 s
A hot air balloon is ascending at speed of 7.5 m/s when a passenger drops a camera. If the camera is 25 m above the ground when it is dropped, it will take the object 3.15 seconds to reach the ground.
To learn more about speed refer to the link:
brainly.com/question/28224010
#SPJ2
What is the main difference between protons and neutrons?
A.Protons have a much smaller mass than neutrons.
B.Protons have a much larger volume than neutrons.
C. Protons have an electrical charge, but neutrons have no charge.
D. Protons make up the nucleus, but neutrons orbit around the nucleus.
Answer:
C. Protons have an electrical charge, but neutrons have no charge.
Explanation:
Protons and neutrons both are parts of nucleus and they stay inside the nucleus due to large nuclear force between them
Mass of proton and mass of neutron is almost same or in more precisely we can say that neutrons are slightly heavy than protons
mass of neutrons is 1.008 amu while mass of protons are 1.007 amu.
the main different between them is that protons are positively charged and their charge is same as that of charge of electron
[tex]q_{proton} = 1.6 \times 10^{-19} C[/tex]
while neutrons are electrically neutral and they do not have any charge on them.
so correct answer will be
C. Protons have an electrical charge, but neutrons have no charge.
Answer:
c
Explanation:
When discussing what makes a material a good conductor you say, "They must
resist neutron flow."
readily accept electron flow."
readily accept neutron flow."
resist electron flow."
Answer:
readily accept electron flow."
Explanation:
As we know that electric current is defined as rate of flow of electric charge which is basically due to flow of electrons
So here we can say that
[tex]i = \frac{dq}{dt}[/tex]
now we know that conductors are defined as good conductors when they do not resist the flow of charge
which means a good conductor will easily conduct the electric current through it.
So here correct answer will be
readily accept electron flow."
How does the bohr model represent electrons around the central nucleus why think of the spectra?
A system releases 680 kj of heat and does 150 kj of work on the surroundings.what is the change in internal energy of the system?
The heating element of an electric oven is designed to produce 5.0 kw of heat when connected to a 220 v source. what must be the resistance of the element?
The resistance of an electric oven's heating element that produces 5.0 kW of heat when connected to a 220 V source must be 9.68 ohms.
To determine the resistance of the heating element that produces 5.0 kW of heat when connected to a 220 V source, we use the formula for electrical power (P): P = V^2 / R, where P is power, V is voltage, and R is resistance. Rearranging the formula for resistance gives us R = V^2 / P.
Substituting the given values, we get R = (220 V)^2 / (5.0 kW), which can be further simplified as R = 48400 V^2 / 5000 W = 9.68
Therefore, the resistance of the heating element must be 9.68 ohms.
The variable that you change during an experiment is called what type of variable?
Lavoisier made an important contribution to chemistry by _____.
coining the term "atom"
developing the law of multiple proportions
developing the law of conservation of matter
developing the atomic theory of matter
Water flows over a section of niagara falls at a rate of 6.00 ´ 105 kg/s and falls 50.0 m. what is the power dissipated by the waterfall?
At room temperature table salt is a solid and mercury is a liquid. What conclusion can you draw about the melting points of these substances?
a small airplane flies at a velocity of 145 km/h toward the south as observed by a person on the ground. The airplane pilot measures an air velocity of 172 km/h an hour. What is the velocity of the wind that affects the plane?
Almonds cost $3.49 per pound. A bag of almonds costs $6.95. to the nearest whole pound, about how many pounds of almonds are in the bag?
The hint in this problem is in the word "about" or approximately how many pounds.
So we could find the solution by estimation through rounding off.
We know that almonds cost about 3.50 per pound and a bag costs about $7.00.
Dividing 7 by 3.50 per pound, will give us $7 ÷ $3.50 = 2 pounds.
The answer is 2 pounds.
Answer:2 pounds of almonds are in the bag.
Explanation:
According to question ,pounds of almonds in $3.49 = 1 pound
Then pound of almond for $1 = [tex]\frac{1}{3.49} pounds[/tex]
Pounds of almond which cost $6.95:
[tex]\frac{1}{3.49}\times 6.95 pounds=1.9914 pounds\approx 2 pounds[/tex]
2 pounds of almonds are in the bag.
Why does the area swept by a planet in a given period of time remain constant even as the planet speeds up and slows down
Which force is responsible for making fusion possible in the sun?
Answer: Strong Nuclear Force is responsible for making fusion possible in the sun .
Explanation:
Fusion reaction is basically the result of the interplay of two opposing forces
1. Attractive Strong Nuclear Force
2. Repulsive coulomb force
Strong nuclear force is a short range force while its magnitude is much greater than the coulomb force . When two nuclei approach each other coulomb force of repulsion between the nuclei (proton-proton repulsion) acts between the nuclei but due high speed as the nuclei come closer strong nuclear force of attraction come into play which has magnitude much more larger than the coulomb force .
The strong force grows rapidly once the nuclei are close enough, and the fusing nucleons can essentially "fall" into each other and the result is fusion and net energy produced. Thus it is the presence of Strong Nuclear Force which makes the fusion possible .
The dependent variable, or the one the response is measured in, is _______
amount of friction
Initial height
speed
The force that is most responsible for the stability of the atomic nucleus is:
A.) gravityB.) electromagnetismC.) strong nuclear force D.) weak nuclear force
Answer: Option (C) is the correct answer.
Explanation:
Nucleus of an atom consists of protons and neutrons. Whereas electrons revolve around the nucleus of the atom.
Protons are positively charged, neutrons have no charge and electrons are negatively charged. So, like charge of protons tend to oppose each other and as a result, electrostatic force of repulsion occurs.
This electrostatic force of repulsion is overcome by strong nuclear force which helps in binding of protons and neutrons into the nucleus.
Thus, we can conclude that the force that is most responsible for the stability of the atomic nucleus is strong nuclear force.
I NEED THIS CORRECT!!
Bases turn litmus paper what color?
Which of the following is not a characteristic of a creative person
A.Expertise
B.Extrinsic motivation
C.A ventures ome personality
D.Imaginative thinking skills
Extrinsic motivation is not a characteristic of a creative person. Hence, option (B) is correct.
What is extrinsic motivation?The psychological phenomena in which people engage in particular behaviors as a result of rewards from outside sources is known as "extrinsic motivation."
The practice of operant conditioning, a method of behavior modification that makes use of extrinsic motivators—or stimuli like rewards and punishments to motivate particular actions and their repetition, is based on this idea. Both intangibles and extrinsic motivators are possible.
Examples of extrinsic motivation are :
CompensationAdvancementPraiseRewardsVisibilityConflict avoidanceMutual RespectTherefore, the extrinsic motivation is not a characteristic of a creative person. So, option (B) is correct.
To know more about extrinsic motivation:
https://brainly.com/question/1658150
#SPJ6
The Power Rocket coaster track is 3,265 feet and the ride is 90 seconds long. What is the speed of the coaster in feet per second?
An airplane flies with a constant speed of 840 km/hr. How far will go in 270 min
If the mass of an object is doubled, it's gravitational force will:
What is the goal of the UK government in terms of carbon dioxide and energy use?
This is for earth science
Reducing CO2 emission to maximum extent and saving energy
Explanation:The present energy policy of UK is set out in the Energy White Paper of May 2007 and Low Carbon Transition Plan of July 2009. It was led by the Department of Energy and Climate Change, and after that headed by Amber Rudd. The current focus of policy are on the reformation of electricity market, rolling out smart meters and improving the energy efficiency of the UK building stock through the Green Deal in which CO2 emission is on top priority.