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How much is the refractive angle when total internal reflection occurs?

When total internal reflection occurs, the refractive angle is 90 degrees. This means that the angle of incidence is greater than the critical angle, resulting in the reflected light staying within the medium it originated from rather than refracting out.


Why does the inner core receive the greatest amount of pressure?

There is pressure within the earth due to the overlying material that the earth is formed from. The deeper within the earth you go, the greater the amount of overlying material pushing down due to gravity and so the greater the pressure. As the inner core has the largest amount of overlying material pushing down upon it, it experiences the greatest pressure.


Why is the density of the mantle material greater at point A?

The density of mantle material is greater at point A due to the increase in pressure at greater depths within the Earth. As depth increases, the materials experience more compression, leading to a denser structure. This higher density contributes to the differentiation and layering of the Earth's interior.


What is the critical angle of perspex and water?

The critical angle for perspex and water is approximately 41 degrees. This means that any light ray entering perspex from water at an angle greater than 41 degrees will be totally internally reflected within the perspex.


For what angle of incidence the lateral shift produced by glass slab is maximum?

the denominator of the formula includes cosine of angle of refraction. If angle of refraction is 90 degrees then the denominator becomes zero and the lateral shift becomes infinity. Now the Question is when will the angle of refraction be 90 degrees? When light travels from denser medium to rarer medium, incidence is at critical angle then your question is possible. Now, the above argument is for the lateral shift that cannot be determined. When the angle of incidence is at 900, then the numerator becomes 'cos r' which is equal to the denominator. Hence L = t following the formula and this is the maximum measurable lateral shift Hope this satisfies your doubt...


Where is the density of the material greater at point C or point B?

The density of a material is constant, so it is the same at both point C and point B. Changes in weight or volume can affect the density, but it will not vary based on location within the material.


How index of refraction measured?

The index of refraction of a material is typically measured using a device called a spectrometer, which can measure the angle at which light bends when passing through the material. By comparing this bending angle to the known angle of incidence, the index of refraction can be calculated using Snell's Law. Another method involves measuring the critical angle at which light is totally internally reflected within the material.


What is the relationship between surface current density and the flow of electric charge in a conducting material?

Surface current density refers to the flow of electric charge per unit area on the surface of a conducting material. It is directly related to the flow of electric charge within the material, as the surface current density is a result of the movement of charge carriers within the material. In other words, the higher the surface current density, the greater the flow of electric charge within the conducting material.


What material contained within the nucleus?

Chromatin material is contained within the nucleus.


What is the material within a cell like?

The material within a cell, known as cytoplasm, is gelatinous.


What is Subsistence Incidence?

Subsistence incidence refers to the proportion of people living in poverty or who are unable to meet their basic needs for food, shelter, and clothing. It measures the prevalence of extreme poverty within a population.


What is critical radius of insulation?

The critical radius of insulation is a counterintuitive concept within the study of heat transfer.