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Margaret [11]
2 years ago
11

A __ is used to measure air pressure.

Physics
2 answers:
larisa86 [58]2 years ago
8 0
A barometer is used to measure air pressure!
PSYCHO15rus [73]2 years ago
3 0

Answer:

Barometer is used to measure air pressure.

Explanation:

Barometer :

Barometer used to measure the air pressure.

It is the scientific device which is used to measure the atmospheric pressure.

Atmospheric pressure change with the distance above and below the sea level.

When the air pressure is greater, then the mercury rises the higher.

Air pressure :

The weight of the air molecules pressing down on the earth it is called air pressure.

The density of air molecules is higher at sea level where the air pressure will be higher.

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devlian [24]

Answer:

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Explanation:

6 0
3 years ago
A calcium bromide compound is represented by which formula?
ipn [44]

Answer:

Calcium bromide is the name for compounds with the chemical formula CaBr2(H2O)x.

4 0
3 years ago
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The index of refraction for a certain type of glass is 1.641 for blue light and 1.603 for red light. When a beam of white light
exis [7]

Answer:

The angle between the emergent blue and red light is 0.566^{o}

Explanation:

We have according to Snell's law

n_{1}sin(\theta _{i})=n_{2}sin(\theta _{r})

Since medium from which light enter's is air thus n_{1}=1

Thus for blue incident light we have

1\times sin(40.05)=1.641\times sin(\theta _{rb})\\\\\therefore \theta _{rb}=sin^{-1}(\frac{sin(40.05)}{1.64})\\\\\theta _{rb}=23.10

Similarly using the same procedure for red light we have

1\times sin(40.05)=1.603\times sin(\theta _{rr})\\\\\therefore \theta _{rr}=sin^{-1}(\frac{sin(40.05)}{1.603})\\\\\theta _{rr}=23.66^{o}

Thus the absolute value of angle between the refracted blue and red light is

|23.66-23.10|=0.566^{o}

6 0
3 years ago
What's the SI unit of magnetic Field ?
Assoli18 [71]
HEYA!!!

The Standard Unit of magnetic field is TESLA.

Hope it helps you.

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7 0
3 years ago
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Absorbed solar radiation undergoes irreversible degradations, transferring from reservoir to another and ends up as what?
barxatty [35]

Answer:

Absorbed solar radiation undergoes irreversible degradations, transferring from reservoir to another converting from light energy to radiation energy.

Explanation:

The solar energy cycle functions in the following form:

  • Considering that 100% of energy is directed at earth.
  • When 100% light is incident on the Earth's surface about 6-7% of it is reflected back by the atmosphere into space.
  • 20% is reflected back by the clouds.
  • And about 4% is reflected back by Earth's surface.
  • 16% of solar energy is absorbed by the atmosphere, 3% is absorbed by clouds and 51% is absorbed by  land and ocean.
  • From the absorbed energy, 64% is radiated back to space from clouds and atmosphere and 6% is directly radiated back to space from earth.
  • From the radiated energy 15% is absorbed by the atmosphere and 23% is carried by the clouds and atmosphere through the latent heat in water vapor.

Therefore, absorbed solar radiation undergoes irreversible degradations, transferring from reservoir to another converting from light energy to radiation energy.

Learn more about solar energy here:

<u>brainly.com/question/18175736</u>

#SPJ4

6 0
1 year ago
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