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prohojiy [21]
3 years ago
11

According to the rayleigh criterion, what is the shortest object we could resolve at the 25.0 cm near point with light of wavele

ngth 550 nm ?
Physics
1 answer:
Blizzard [7]3 years ago
7 0

Answer:

6.71 *10^{-5} rad

Explanation:

∅ = \frac{1.22*wavelength}{D} = \frac{1.22*550 * 10^{-9} }{25 * 10^{-2} }

∅ = 6.71 *10^{-5} rad

The minimum resolvable angle = 6.71 *10^{-5} rad

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Determine the inductive reactance for a 50 mH inductor that is across a 15 volt, 400 Hz source.
tresset_1 [31]

Answer:

Inductive reactance is 125.7 Ω

Explanation:

It is given that,

Inductance, L=50\ mH=0.05\ H

Voltage source, V = 15 volt

Frequency, f = 400 Hz

The inductive reactance of the circuit is equivalent to the impedance. It opposes the flow of electric current throughout the circuit. It is given by :

X_L=2\pi fL

X_L=2\pi \times 400\ Hz\times 0.05\ H

X_L=125.66\ \Omega

X_L=125.7\ \Omega

So, the inductive reactance is 125.7 Ω. Hence, this is the required solution.

8 0
3 years ago
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The answer is D-Testable

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A car moves with the speed of 120m/s for 4 minutes ,calculate the distance covered by the car​
Vsevolod [243]

Answer:

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Explanation:

Given that,

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We have to find the distance covered.

Firstly, let's convert time in seconds.

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Now, we know that,

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7 0
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How could you use the microscopes from this activity to determine
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Answer:

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Explanation:

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