3 years ago

When does total internal reflection occur?

Physics

1 answer:

gogolik [260]3 years ago

3 0

Answer:

Explanation:

I believe it is A because reflection is usually like a mirror or in water the other ones described are refraction or conversion. Hope this helps! :)

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4. A steel cable spanning a river is 220.000 m long when the temperature is 30.°C.

romanna [79]

Answer:

219.9208 m

Explanation:

The new length is given by

New length= Original length *(1-Temperature change*coefficient of

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Here, the change in temperature is $30^{\circ}-0^{\circ}= 30^{\circ}$

New length= $220.000(1-30*12x10^{-6}=219.9208m$

Therefore, the new length will be 219.9208 m

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algol13

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3 years ago

Conversion fraction 1$=4q, how many are in 20$

Tom [10]

Answer:

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