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BaLLatris [955]
3 years ago
7

Describe the relationship between a compass and a magnet. Explain a demonstration you could do to show this relationship.

Geography
1 answer:
Volgvan3 years ago
8 0

The Earth is a magnet that can interact with other magnets in this way, so the north end of a compass magnet is drawn to align with the Earth's magnetic field. Because the Earth's magnetic North Pole attracts the "north" ends of other magnets, it is technically the "South Pole" of our planet's magnetic field.


If you get a compass and hold a magnet near it the compass will follow the magnetic attraction that the magnet carries, causing the magnet to essentially follow the magnet.

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2 1. Scattering cross-section of acrosol particles is 2.5E-12 m , absorption cross-section is 0.45E- .2 12 m Concentration of pa
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Answer:

T = 3.23 \times 10^{-83}

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thickness of aerosol layer is 2.5 km

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we know that

\tau = \epsilon_{ext} . h

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\epsilon_{ext} = N.\sigma_{ext}

\epsilon_{ext} is extinction coefficient

\sigma_{ext} extiction cross section

N = Concentration

\sigma_{ext} = (2.5 + 0.45)\times 10^{-12} m^2

                     = 2.95 \times 10^{-12} m^2

\epsilon_{ext} = 2\times 10^7 \times 2.95 \times 10^{-12} m^2 \times m^{-3}

                       = 5.9 \times 10^{-5} m^{1}

\tau = 5.9 \times 10^{-5} m^{-1}  \times 2.5\times 10^3 m

        = 14.75\times 10^{-2}

transimiitance T  = e^{\frac{-\tau}{\mu}}

                       T  = e^{\frac{- 14.75 \times 10^{-2}}{cos 40}}

T = 3.23 \times 10^{-83}

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