The angle between the polaroid transmission planes is 50

The angle between the polaroid transmission planes is 50°. If natural light passes through such a system, its intensity decreases by n=4 times. To determine the light absorption coefficient in polaroids, we can neglect the loss of light due to reflection.

To solve the problem, it is necessary to use Malus's law, which states that the intensity of light passing through the Polaroid is proportional to the cosine of the square of the angle between the direction of polarization and the plane of transmission of the Polaroid.

From this law it follows that the light absorption coefficient in polaroids can be expressed by the following formula:

k = -ln(I2/I1)/d,

where I1 is the initial light intensity before passing through the polaroids, I2 is the light intensity after passing through the polaroids, d is the thickness of the polaroids.

Since the light intensity is attenuated by n=4 times, then I2 = I1/4.

Also, taking into account the value of the angle between the transmission planes of the polaroids, we can express the cosine of the square of this angle:

cos^2(50°) = 0.5

Thus, the light absorption coefficient in polaroids will be:

k = -ln(0.25)/d = 0.287/d.

Answer: k = 0.287/d, where d is the thickness of the Polaroids.

The angle between the polaroid transmission planes is 50°

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Product description is not possible, since this text does not contain information about any specific product. The text presents the condition of the problem, in which a system of two Polaroids is considered, the angle between the transmission planes of which is equal to 50 degrees. Natural light passing through such a system is attenuated by 4 times. It is necessary to determine the light absorption coefficient in Polaroids. To solve the problem, you should use the laws of optics and formulas for Polaroids.

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