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Why does kerosene make the paper translucent?
Kerosene has a lower refractive index than paper, causing light to bend less when passing through the paper. This difference in refractive index reduces light scattering, making the paper appear translucent by allowing more light to pass through without being reflected.
Why does a light wave speed up when moved from air into hydrogen?
Electromagnetic waves (such as light), do not require a medium like mechanical waves (sound). Thus, matter that lie in its path actually slow it down, since the particles, rather than helping the waves propagate (as in mechanical waves), act as obstacles to the propagation of the wave. Since hydrogen has a lower density than air, there is a lower number of particles per given amount of area, thus the EM wave encounters less resistance to its propagation, thus the wave travels faster.
Does oil or water have a lower density?
Oil floats on water, and has a lower density.
How can you tell if its glass or a diamond?
You can differentiate glass from a diamond by examining their hardness, refractive index, and sparkle. Diamonds are much harder than glass and have a higher refractive index, meaning they will reflect light differently. Diamonds also tend to sparkle more due to their superior light dispersion. Additionally, you can perform a scratch test as glass is softer than a diamond, allowing a diamond to scratch it.
Describes a solution with a pH lower than the pH of distilled water?
A solution with a pH lower than that of distilled water would be acidic. This could be achieved by adding an acid such as hydrochloric acid or sulfuric acid to water. Acidic solutions have a pH below 7, with the lower the pH, the more acidic the solution will be.
How is the refractive index of glass is to water is related with that of air is to water?
Each substance has an index of refraction. The index of refraction of water is about 1.3330 . The index of refraction of air at standard conditions is about 1.0003 . There is no such thing as the index of refraction of "water to air".
What medium has higher refractive index?
Generally, denser mediums have higher refractive index. For example, water has a higher refractive index compared to air. Similarly, glass has a higher refractive index than water.
Discussion of reflactive index of glass and water?
The refractive index of glass is around 1.5, while the refractive index of water is around 1.33. This means that light travels faster in water than in glass. The difference in refractive index is why we observe light bending when it passes from air into glass or water, a phenomenon known as refraction.
What is the refractive index of fog?
Fog is made out of water droplets in suspension in the air. The refractive index of these droplets is 1.3330. However the body of fog as seen on mass is opaque (enough of it will stop light) and opaque substances do not have a refractive index.
Does water or air have the highest refraction index?
Actually we define refractive index with respect to a standard medium. Air has been taken as that standard. Hence refractive index of air is 1 and that of water is 1.33. But refractive index of water with respect to glass is 1.33/1.5 = 0.887 So, the answer is "water".
What is refractive index of water with respect to air?
The refractive index of water with respect to air is approximately 1.33. This means that light travels about 1.33 times faster in water than in air.
What type of material is likely to be totally internally reflected?
Materials with a higher refractive index than their surroundings are likely to exhibit total internal reflection. Examples include diamond, glass, and water when surrounded by air. Total internal reflection occurs when light passing from a material of higher refractive index to a material of lower refractive index is reflected back into the higher refractive index material.
What is difference between refraction in oil and water?
Refraction is the bending of light as it passes from one medium to another. In oil, which has a higher refractive index than air, light bends more compared to water, causing a more pronounced effect. Water, with a lower refractive index, leads to less bending and a subtler refractive effect compared to oil.
Is the refractive index of water wrt glass less or more than 1?
The refractive index of water with respect to glass is more than 1. This means that light travels faster in water than in glass, causing the light to bend when it passes from glass to water.
Why total internal reflection in water mixed with dettol?
Total internal reflection occurs when light travels from a medium with a higher refractive index to a medium with a lower refractive index at an angle greater than the critical angle. Dettol added to water increases the refractive index of the water, causing total internal reflection to occur at the water-air interface. This phenomenon can be observed as increased shininess or brightness due to the reflection of light within the water.
Refractive index of oil and water?
The refractive index of oil can vary based on the type of oil, but typically falls in the range of 1.4 to 1.6. The refractive index of water is 1.33. Oil has a higher refractive index compared to water, which causes light to bend more when passing through oil than water.
What is the minimum value of the refractive index?
The minimum value of the refractive index is 1, which corresponds to a vacuum. The refractive index of a medium is always greater than or equal to 1.
