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adoni [48]
3 years ago
5

A quantity that has direction as well as size is a scalar. True or False

Physics
2 answers:
marysya [2.9K]3 years ago
7 0
The other answer is correct!
lisov135 [29]3 years ago
3 0

Answer:

A quantity that does not depend on the direction is called a scalar quantity. Vector quantities have two characteristics, a magnitude, and a direction. Scalar quantities have only a magnitude. When comparing two vector quantities of the same type, you have to compare both the magnitude and the direction.

Scalar quantities only have magnitude (size). Scalar quantities include distance...

A quantity that is specified by both size and direction is a vector. Displacement includes both size and direction and is an example of a vector. However, distance is a physical quantity that does not include a direction and isn't a vector.

Explanation:

hope this helps...

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We can find the ratio n_r / n_i by using Snell's law:
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By using the data of the problem and re-arranging (1), we find
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and if we use eq.(2) we can now find the value of the critical angle:
\theta_c = \arcsin ( \frac{n_r}{n_i} ) = \arcsin (0.566) = 34.5^{\circ}
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