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Sladkaya [172]
3 years ago
10

I What are physical properties of matter?

Physics
1 answer:
mariarad [96]3 years ago
7 0

Answer:

appearance, texture, color, odor, melting point, boiling point, density, solubility, polarity

Explanation:

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The difference in potential between the accelerating plates of a TV set is about 24 kV. The distance between these plates is 1.5
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So electric field between the plates will be equal to 1600\times 10^3KN/C

Explanation:

We have given potential difference between accelerating plates = 24 KV = 24000 volt

Distance between the plates d = 1.5 cm = 0.015 m

We know that potential difference is given by V = Ed, here E is electric field and d is distance between plates

So 24000=E\times 0.015

E = 1600000 N/C = 1600\times 10^3KN/C

So electric field between plates will be equal to 1600\times 10^3KN/C

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What is the critical angle θcrit for light propagating from a material with index of refraction of 1.50 to a material with inde
shutvik [7]

Answer:

The critical angle for light is 41.81 degrees.

Explanation:

We have, light is propagating from a material with index of refraction of 1.50 to a material with index of refraction of 1. It is required to find the critical angle for light. It is angle for which the angle of refraction is equal to 90 degrees. It is given by :

\sin\theta_c=\dfrac{n_2}{n_1}\\\\\theta_c=\sin^{-1}(\dfrac{n_2}{n_1})\\\\\theta_c=\sin^{-1}(\dfrac{1}{1.5})\\\\\theta_c=41.81^{\circ}

So, the critical angle for light is 41.81 degrees.

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3 years ago
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