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Vesna [10]
3 years ago
15

What causes scientific knowledge to change over time?

Physics
2 answers:
tigry1 [53]3 years ago
8 0

Answer:

the guy above me is telling the truth

Explanation:

Readme [11.4K]3 years ago
3 0

Answer:

A: Living systems are constantly changing,so previous explanations may no longer apply

Explanation:

Hopefully this helps!

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Monochromatic light is incident on a metal surface, and electrons are ejected. If the intensity of the light increases, what wil
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If the frequency of incident monochromatic light is held constant and its intensity is increased, the rate of ejection of photoelectrons from the metal surface increases with increase in intensity of the monochromatic light. More current flows due to more ejection of photoelectrons.

4 0
3 years ago
A particle is confined to the x-axis between x = 0 and x = 1 nm. The potential energy U = 0 inside this region and U is infinite
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Answer:

Explanation:

According to heisenberg uncertainty Principle

Δx Δp ≥ h / 4π , where Δx  is uncertainty in position , Δp is uncertainty in momentum .

Given

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≥  . 5254 x ⁻²⁵

h / λ ≥  . 5254 x ⁻²⁵

 6.6 x 10⁻³⁴ /. 5254 x ⁻²⁵ ≥ λ  

12.56 x 10⁻⁹ ≥ λ  

longest wave length = 12.56 n m

6 0
3 years ago
A wave is incident on the surface of a mirror at an angle of 41° with the normal. what can you say about its angle of reflection
Umnica [9.8K]

It's angle of reflection must be 41 degrees

we know, by the first law of reflection that angle of incidence is always equal to angle of reflection..........

7 0
3 years ago
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Sound waves have the ability to cause objects to vibrate. If a paperback book is placed near a speaker and the volume of the spe
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yes with a lot of time it eventualy could be, but in short term no

Explanation:

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Write any two features of capital​
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Washington DC and new Mexico
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