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The Chloroplast

When would th...

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When would the chloroplast be aligned with their flat surface parallel to the wall? When woul they be aligned perpendicular tothe incident light.

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Q. When the chloroplasts will be aligned with their flat surfaces parallel to the walls? When would they be perpendicular to the incident light?

Q. When are the chloroplast aligned with the flat surfaces parallel to the walls ? When are they aligned perpendicular to the incident light?

Q. You would recollect from previous unit that the mesophyll cells in the leaves, have a large number of chloroplasts. Usually the chloroplasts align themselves along the walls of the mesophyll cells, such that they get the optimum quantity of the incident light. When do you think the chloroplasts will be aligned with their flat surfaces parallel to the walls ? when would they be perpendicular to the incident light ?

Q. Chloroplasts do not align themselves with their flat surfaces parallel to the the walls ? What does this flat surface mean?

Q. Unpolarized light with an intensity of

I_{0} = 16 \frac{W}{m^{2}}

is incident on a pair of polarizers. The first polarizer has its transmission axis aligned at

50^{\circ}

from the vertical. The second polarizer has its transmission axis aligned at

20^{\circ}

from the vertical.

What is the intensity of the light when it emerges from the second polarizer?

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