Refraction, reflection, and total internal reflection are distinct optical phenomena. They involve the bending, bouncing, and complete reflection of light, respectively. These phenomena have practical applications and contribute to our understanding of light behavior and optical devices.
Refraction, reflection, and total internal reflection are fundamental phenomena associated with the behavior of light when it interacts with different mediums or interfaces. Let's explore each of these concepts and understand their distinctions:
1. Refraction:
Refraction refers to the bending of light as it passes from one medium to another with a different optical density. When light encounters a change in medium, its speed and direction change, causing the light ray to deviate. This deviation occurs because light travels at different speeds in different materials. The amount of bending depends on the angle of incidence and the refractive indices of the two mediums involved. Snell's law governs the mathematical relationship between the angles of incidence and refraction. Refraction is responsible for various optical phenomena, such as the bending of light in lenses and the dispersion of white light into its constituent colors in a prism.
2. Reflection:
Reflection occurs when light encounters a boundary between two mediums and bounces back into the same medium from which it originated. The angle of incidence is equal to the angle of reflection, according to the law of reflection. Reflection plays a fundamental role in our ability to see objects, as light rays reflected from surfaces enter our eyes. Mirrors and other reflective surfaces exploit the principle of reflection.
3. Total Internal Reflection:
Total internal reflection occurs when light travels from a medium with a higher refractive index to a medium with a lower refractive index, and the angle of incidence exceeds a critical angle. In such cases, instead of bending or refracting, the light is completely reflected back into the denser medium. Total internal reflection is responsible for various phenomena, including the shiny appearance of diamonds and the working of optical fibers. It enables light to propagate through the fiber by repeated internal reflections.
In conclusion, refraction, reflection, and total internal reflection are distinct optical phenomena. Refraction involves the bending of light when it transitions between different mediums, reflection refers to the bouncing back of light from a surface, and total internal reflection occurs when light is reflected back into a denser medium at an angle greater than the critical angle. These phenomena have practical applications and contribute to our understanding of light behavior and the functioning of various optical devices.
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What effect does the moon have on the Earth, if any?
Answer:
If we didnt have the moon we wouldnt have tides, and waves so there for if we had no moon we would have no waves tides solar eclip or night.
Explanation:
Yea Thats all I can list right now.
A grating has 350 rulings/mm. What is the longest wavelength for which there is a 6.0th-order diffraction line
For a grating having 350 rulings/mm, longest wavelength is mathematically given as
lambda_max=3.704*10^{-7}m
What is the longest wavelength for which there is a 6.0th-order diffraction line?Generally, the equation for the wavelength is mathematically given as
lambda=dsin\theta/6
Therefore, for lamda_max theta=\pi/2
lambda_max=dsin\pi/2 /6
In conclusion
lambda_max=d/6
lambda_max=3.704*10^{-7}m
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To heat the water in the tank from 50°C to 58°C the immersion heater transfers
4032 kJ of energy to the water.
Calculate the mass of water in the tank.
Specific heat capacity of water= 4200 J/kg°C
Let's see
∆T=58-50=8°CSo
[tex]\\ \rm\Rrightarrow Q=mc\Delta T[/tex]
[tex]\\ \rm\Rrightarrow 4032=4200(8)m[/tex]
[tex]\\ \rm\Rrightarrow 4032/8=4200m[/tex]
[tex]\\ \rm\Rrightarrow 504=4200m[/tex]
[tex]\\ \rm\Rrightarrow m=0.12kg[/tex]
[tex]\\ \rm\Rrightarrow m=120g[/tex]
The primary difference between the various optical discs is the amount of data that they can store. Which optical disc stores the least amount of data
Floppy disk storage media is a type of magnetic media which only has a capacity of storing about 1.44 MB data.
Which optical disc stores the least amount of data?Blu-ray discs is the type of disc that can store up to 50 GB of data while on the other hand, floppy disk storage media stores only 1.44 MB data.
So we can conclude that Floppy disk storage media is a type of magnetic media which only has a capacity of storing about 1.44 MB data.
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A bobsled’s distance-time graph indicates that it traveled 100 m in 20 s.
What is the bobsled’s speed?
100 m/s
0.25 m/s
2500 m/s
5 m/s
Answer:
5m/s -> 100m/20s=5m/s
Explanation:
because speed equal to distance division time
MARKING BRAINLIEST AND 50 POINTS
If the net force on an object is in a negative direction, what will the direction of the resulting acceleration be?
Do you think the benefits outweigh the risks for using nuclear energy? If not, why not? If so, explain.
Calculate the buoyant force of air (density 1.20 kg/m3 ) on a spherical party balloon that has a radius of 17.0 cm .
The buoyant force of air will be 246.25 N.Buoyancy force is the multiplication of the density, gravity, and volume.
What is buoyancy force?A fluid exerts an upward force against the weight of a partly or completely submerged item. The weight of the overlying fluid causes pressure to rise with depth in a column of fluid.
The buoyancy force is found by the formula as;
[tex]\rm F_B = \rho g V[/tex]
[tex]\rm \rho[/tex] is the density
g is the acceleration due to gravity
V is the volume
[tex]\rm F_B[/tex] is the buoyancy force
The volume of the spherical balloon is;]
[tex]\rm V= \frac{4}{3} \pi r^3 \\\\ \rm V= \frac{4}{3} \times 3.14 (17.0 \times 10^{-2})^3 \\\\ V=0.2056 \ m^3[/tex]
The buoyancy force is found by the formula as;
[tex]\rm F_B = \rho g V \\\\ \rm F_B = 1.20 \times 9.81 \times 0.2056 \\\\F_B = 246.25 \ N[/tex]
Hence the buoyant force of air will be 246.25 N.
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Eight-year-old shaun’s parents are concerned that he may have dissociative amnesia due to his inability to remember certain phases of his life. why would his doctor be hesitant to diagnose him? a. shaun is adopted and his doctor is uncomfortable diagnosing him without a full family history. b. shaun is male and his doctor knows that this diagnosis is most common in females. c. children of this age have a normal lapse in memory of events that occurred before the age of 5. d. shaun is a very strong-willed child and will not be a good candidate to hypnotize. please select the best answer from the choices provided a b c d
Doctor would be hesitant to diagnose him because children of this age have a normal lapse in memory of events that occurred before the age of 5.
What is Memory?This is the faculty of the mind where information is stored and retrieved when it is needed.
Children before reaching 5 years old normally have lapse in memory of events that occurred which is why option C was chosen.
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What is a benfit of useing a restince band in workouts?
Answer:
It makes it more difficult to move, making it stretch and exercise your muscles better becuse there is a resistant force to overcome.
Explanation:
-Sky :3
Answer:
It keeps sweat out of your eyes, because it absorbs it.
Explanation:
Sweat is still liquid, and plus if you pay extra and can even have some sort of cooling gel.
Sky is also correct.
What statement best describes the situation in the diagram
Hello people ~
If the outer shell is earthed, then the free charge on the outer surface goes to earth but the inner charge remains bounded to the charge on the inner shell so that the potential of the outer shell connected to the earth becomes ______________
a)6
b)2
c)0
d)8
Answer:
c) 0Explanation:
We know that charge on facing surfaces is equal and oppositeSo if charge on inner sphere is q₀, then charge on inner surface of shell should be −q₂ as the shell is earthedSo its potential should be zero.During a spontaneous fission reaction, net energy ____
Group of answer choices
is released
is absorbed
is zero
The phase of the moon that immediately precedes the new moon is the:.
Draw an energy chain diagram to show energy transformations for this event:
A car's engine burns fuel to move the car down the road. The car's engine heats the car and the
outside air.
The energy chain diagram in this case is chemical energy >> energy conversion >> motion (kinetic) energy + thermal energy.
What is an energy chain diagram?An energy chain diagram is a graphic representation indicating the conversion between different types of energies.
Kinetic energy is a type of motion (movement) energy generated by using potential (stored) energy.
Chemical energy (in this case, the fuel of the car) is a type of energy that is stored to perform work.
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Answer:
Explanation: edmentum
Suppose that the mirror is moved so that the tree is between the focus point F and the mirror. What happens to the image of the tree?
(1 point)
The image of the tree between the focus point F and the mirror moves behind the curved mirror. This is further explained below.
What is a mirror?A smooth surface such as glass that reflects pictures In the mirror, the law of reflection says that when a ray of light is produced to fall on a reflecting surface, the reflected ray has its angle of reflection, the incident ray has its angle of reflection, and the reflected ray is normal to the surface at a point of incidence.
In conclusion, Behind the curved mirror, the image shifts.
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Answer: The image moves behind the curved mirror.
Hope this helps :)
Hello people ~
Choose the vector physical quantity:
(a) Electric flux
(b) Electric potential
(c) Electric potential energy
(d) Electric intensity
Answer:
Electric field intensity (Option D)
Explanation:
Vector quantities have both magnitude and direction whereas scaler quantities have only magnitude
Electric field intensity is denoted by E
The formula is
[tex]\\ \rm\Rrightarrow E=\dfrac{F}{q}[/tex]
Q is charge hereAnswer:
(d) Electric intensity
Explanation:
A vector physical quantity has both magnitude and directionIntensity is the strength of an electric field at any point and it is equal to the electric force per unit charge experienced by a test charge placed at that point.⇒ Intensity = Electric Force / ChargeAs electric force is a vector quantity, electric intensity is the vector quantityAn electromagnet would
have the greatest strength
if its wire were wrapped
around a core made of:
A paper
B copper
C aluminum
D iron
An electromagnet would have the greatest strength if its wire were wrapped around a core made of copper.
Electromagnetic strengthThis is the strength of an electromagnet which increases with increase in the number of turns of the coil, thickness of the coil and magnetic field strength.
emf = NBA/t
The strength of an electromagnet also increases with increase in current and voltage flowing in the loop.
Copper is better conductor of electricity when compared to aluminum and iron.
Thus, an electromagnet would have the greatest strength if its wire were wrapped around a core made of copper.
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The ________________ is the body’s system of turning food into energy.
A.
metabolism
B.
digestive system
C.
stomach
D.
endocrine system
Answer:
B
Explanation:
Digestive as it has enzymes that turn food into energy.
Which FITT principle means how hard your body is working?
Frequency
Intensity
Type
Time
Answer:
Intensity
Explanation:
Intensity is how hard you exercise. Time refers to the time of day you exercise and how long each session lasts.
Hope this helps you!
Answer: Intensity
Explanation: Intensity is how hard your exercise. We might categorize this as low, moderate, or high intensity.
How would the size of
parachute required on a space
probe to allow it to land safely
differ on:
a planet such as Venus
which has a thick
atmosphere.
Answer:
Explanation:
The atmosphere is too thin to slow the descent for a soft landing. Mars is almost a vacuum, it is the equivalent to Earth atmosphere around 125,000 feet. ... You do not want your lander to get entangled with the chute on landing, so you loose the chute right before you land.
A 50 kg person receives an absorbed dose of gamma radiation of 20 millirads. What is the total energy absorbed?.
For a 50 kg person receives an absorbed dose of gamma radiation of 20 millirads, the total energy absorbed is mathematically given as
E=0.1457J
What is the total energy absorbed?Generally, the equation for the total energy absorbed is mathematically given as
E=mass*gamma radiation
Therefore
E=50*20*19^{-3}
E=0.1457J
In conclusion, the total energy absorbed
E=0.1457J
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Joe now shifts his focus from the tree to the squirrel. To do this, the ciliary muscles in his eyes must have _____ the curvature of the lens, resulting in a(n) _______ focal length for the cornea-lens system. Note that curvature is different from radius of curvature.
The ciliary muscles in Joe's eyes must have reduce the curvature of the lens, resulting in an increase in focal length for the cornea-lens system in order to see the squirrel.
What is the function of the ciliary muscles of the eye?The ciliary muscles of the eye is the eyes attaches the lens of the eye to the eye socket.
The relaxation and contraction of the ciliary muscles of the eye changes the shape ofthe lens.
When the ciliary muscles contracts, the lens become shorter and more thicker at the centre and can focus nearer objects.
When the ciliary muscles relaxes, the lens become longer and more thinner at the centre and can focus far objects.
Therefore, the ciliary muscles in Joe's eyes must have reduce the curvature of the lens, resulting in an increase in focal length for the cornea-lens system.
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Can someone write how to determine the viscosity of glycerin by falling ball ?
Answer:-
The terminal velocity of a steel ball 2 mm in diameter falling through glycerin is 44×10 - ²
cm/s (Given that specific gravity of steel = 8, specific gravity of steel =8, specific gravity of glycerin a 1.3, viscosity of glycerine 8.3 poise.) .
A dentist uses a concave mirror to examine a tooth that is 1cm in front of the mirror. The image of the tooth forms 10cm behind the mirror.
a. What is the mirror's radius of curvature?
b. What is the magnification of the image?
a) The mirror's radius of curvature will be 2.7 cm
B) The magnification of the image will be 4.0.
What is a concave mirror?When a hollow spherical is divided into pieces and the exterior surface of each cut portion is painted, it forms a mirror, with the inner surface reflecting the light.
From the mirror equation;
[tex]\frac{1}{p}+\frac{1}{q} =\frac{1}{f} \\\\ \frac{1}{1}+\frac{1}{-10} =\frac{1}{f} \\\\ \frac{1}{f} = 1-\frac{1}{10} \\\\ \frac{1}{f} = \frac{9}{10} \\\\ f= 1.1111[/tex]
Hence,
The radius of curvature is twice of the focal length;
[tex]\rm R = 2f \\\\ \rm R = 2\times 1.111 \\\\ R=2.2222 \ cm[/tex]
Hence, the mirror's radius of curvature will be 2.7 cm.
The magnification factor is found as;
[tex]\rm m = \frac{-q}{p} \\\\ m = \frac{-(-10)}{1} \\\\ m = 10[/tex]
Hence, the magnification of the image will be 4.0.
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if the distance moved by the effort is greater than the distance moved by the load, the machine is speed multiplier. TRUE/FALSE
Answer: TRUE
Explanation: I did it before
Please help me with the blanks
A sample of 0. 200 moles of nitrogen occupies 0. 400 l. Under the same conditions, what number of moles occupies 1. 200 l?.
Answer:0. 600
Explanation: basic math
is the statement down below true or false?
A planet's path is an ellipse centered on the sun, according to Kepler's first law
Four forces are acting on a block as shown in the figure. What is the net force on the block?
Answer:
8 N upwards
Explanation: