PHYSICS HIGH SCHOOL

The bending of waves around the edge of a barrier is known asa. reflection.
b. refraction.
c. diffraction.
d. interference.

Answers

Answer 1
Answer: The answer is C. The bending of waves around the edge of a barrier is called diffraction. It is any phenomena which happens when a wave energy meets an obstacle or a slit. Examples of this are the tracks on a CD act as a grating to form a rainbow pattern in the disk, a hologram on a card, resolution limits on cameras and microscope.
Answer 2
Answer:

The bending of waves around the edge of a barrier is known as diffraction (Option C)

How do i know which option is correct?

To know which option is correct, we shall define the given options. This is shown below:

Reflection of a wave is simply defined as the bounce back of a wave without a change in the properties of the wave

Refraction is the change in the properties of a wave as it travel from one medium to another.

Diffraction is a property of wave which is defined as the bending of light around the edge of obstacle or barriers.

Interference is the combination of waves to form an entirely different wave with either a reinforce or destructive displacement.

With the above definitions, we can conclude that the correct answer to the question is diffraction (option C)

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Answer:

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Answers

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What must be your average speed in order to travel 350 km in 5.15 h? *66.0 km/h
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Answers

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Is it possible to fly from Norway to USA across the North Pole?

Answers

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Answers

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What is the component of 3i^ + 4j^ along i^+j^

Answers

The required component of vector is 7√2/2 unit.

What is unit vector?

Physical quantities that exhibit both magnitude and direction are referred to as vector quantities. As an illustration, consider displacement, force, torque, momentum, acceleration, and velocity.

Typically, an arrow is used on top of a vector quantity to depict the vector value of the velocity and to clarify that the quantity has both magnitude and direction.

A quantity with both magnitude and direction is referred to as a vector. A unit vector is one with a magnitude of 1. It also goes by the name Direction Vector.

Given vector is :

\vec{A} =3\hat{i} + 4\hat{j}.

and the other vector is :

\vec{B} = \hat{i} + \hat{j}.

The unit vector along \vec{B} is

\hat B =\frac{ \hat{i} + \hat{j}}{√(2) }

Hence, component of A vector along B vector is =

\vec{A}.\vec{B}

= (3\hat{i} + 4\hat{j}).\frac{ \hat{i} + \hat{j}}{√(2) }

= (3+4)/√2

= 7/√2

= 7√2/2 unit.

So, the required component of vector is 7√2/2 unit.

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using the Pythagorean theorem

a^2 = b^2 + c^2

when a is the hypotenuse, and b and c are opposites and adjacent in a right triangle

3^2 + 4^2 = 5^2

Therefore, the hypotenuse has a magnitude of 5
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