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Archy [21]
3 years ago
9

A compass needle acts as a(n)

Physics
1 answer:
beks73 [17]3 years ago
6 0

Explanation:

A compass needle acts as a Magnet

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The nonreflective coating on a camera lens with an index of refraction of 1.29 is designed to minimize the reflection of 634-nm
eimsori [14]

Answer:

minimum thickness of the coating = 122.868 nm

Explanation:

Given data

lens index of refraction = 1.29

wavelength = 634 nm

glass index of refraction = 1.53

to find out

minimum thickness of the coating

solution

we have given non reflective coating

so

we know that minimum thickness of the coating formula

minimum thickness of the coating = Wavelength / 4n

here n is coating index of refraction

so put here both value to get thickness

minimum thickness of the coating = Wavelength / 4n

minimum thickness of the coating = 634 / 4 ( 1.29 )

so minimum thickness of the coating = 122.868 nm

5 0
3 years ago
raising the temperature of a gas will increase its pressure If which of the following happens the volume is increased but the nu
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8 0
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xenn [34]

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2 times bigger

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