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sp2606 [1]
3 years ago
11

When a wave strikes a solid barrier it behaves like a basketball hitting a backboard this wave behavior years called?

Physics
2 answers:
nignag [31]3 years ago
8 0

The answer is Reflection

Alex73 [517]3 years ago
6 0
This property of a wave is reflection. 
Reflection of a wave is the process by which waves such as light, sound , infrared, or radio waves, hits and object and bounces off it. It is the change in direction of a wave front at an interface between two different media so that the wavelength returns into the medium of origin.  From the law of reflection for a specular reflection the angle at which the wave is incident on the surface is equal to the angle at which it is reflected. 
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skelet666 [1.2K]

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Explanation:

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which statement best describes what would happen if the number of wore coils in a electromagnavneg were increased
jekas [21]
Where are the following choices
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3 years ago
Fill-in-the-blank test questions measure ________; matching concepts with their definitions measures ________.
Ulleksa [173]

Test questions measure recall; matching concepts with their definitions measures recognition.

<u>Explanation: </u>

According to Psychology our brain remembers everything what we learn but the understanding and remembering the right answer for the right question needs training and understanding ability. So in order to enhance the ability of recalling and recognizing among the students, the concept of test questions and matching with definitions are used in curricular activities.

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6 0
2 years ago
A total resistance of 3.03 Ω is to be produced by connecting an unknown resistance to a 12.18 Ω resistance. (a) What must be the
insens350 [35]

Answer:

(a) 4.0334Ω

(b)parallel

Explanation:

for resistors connected in parallel;

\frac{1}{R_{eq} } =\frac{1}{R1}+\frac{1}{R2}

Req =3.03Ω , R1 =12.18Ω

\frac{1}{3.03 } =\frac{1}{12.18}+\frac{1}{R2}

\frac{1}{R2}=\frac{1}{3.03 }-\frac{1}{12.18}

\frac{1}{R2}=0.2479

R2=1/0.2479

R2=4.0334Ω

(b)parallel connection is suitable for the desired total resistance. series connection can not be used to achieve a lower resistance as the equation for series connection is.

Req = R1+R2

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3 years ago
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