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4 years ago

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When dots are printed from a laser printer to form letters, they must be close enough so that you do not see the individual dots

of ink. To do this, the separation of the dots must be less than Raleigh’s criterion of your eye at distances typical for reading. Take the pupil of the eye to be 3.5 mm in diameter and the distance from the paper to the eye as 39 cm. Find the minimum separation of two dots such that they cannot be resolved in cm. Assume a wavelength of 555 nm for visible light.

1 answer:

balandron [24]4 years ago

3 0

Answer: separate them

Explanation:

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Two concentric current loops lie in the same plane. The smaller loop has a radius of 3.6 cm and a current of 12 A. The bigger lo

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Answer:

the radius of bigger loop = 6 cm

Explanation:

given,

two concentric current loops

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]current in smaller loop = 12 A

current in the bigger loop = 20 A

magnetic field at the center of loop = 0

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$B_t = B_1 + B_2$

$0 = \dfrac{\mu_0I_1}{2R_1} +\dfrac{\mu_0I_2}{2R_2}$

now, on solving

$\dfrac{I_1}{R_1} = \dfrac{I_2}{R_2}$

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3 years ago

The orbital motion of Earth around the Sun leads to an observable parallax effect on the nearest stars. For each star listed, ca

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Answer:

Following are the answer to this question:

Explanation:

Formula:

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$\to D(PC)=\frac{1}{0.31}$

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Answer:

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