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Ket [755]
2 years ago
10

1. When light is reflected, the incident rays are bent and change direction.

Physics
1 answer:
Hoochie [10]2 years ago
6 0

1. B. False, when light is reflected, the incident rays are bent and change direction.

2. B. become diffused. Light hitting a rough surface would most likely.

3. B. False. Plane mirrors create virtual images.

4. D. All of the choices are correct.

5. B. The illusion of water on top of hot asphalt on a summer day is mirage.

6. A. The mirror refracts light rays that pass through it outward and away from the optical axis is convex mirrors.

7. A. True. The bending ability of a substance is recorded on the index of refraction.

8. A. True.  Light travels at the same speed at all times.

<h3>What is refraction of light?</h3>

The refraction of light is change in speed and direction of light when it hits obstacle.

<h3>What is reflection is light?</h3>

Reflection of Light occurs when the waves encounter a surface or other boundary that does not absorb the energy of the radiation and bounces the waves away from the surface.

<h3>Reflection of light can be diffused or Specular</h3>

Specular reflection is a type of surface reflectance often described as a mirror-like reflection of light from the surface.

Diffuse reflection is the reflection of light or other waves or particles from a surface such that a ray incident on the surface is scattered at many angles rather than at just one angle.

Learn more about reflection of light here: brainly.com/question/26655381

#SPJ1

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mechanical equivalent of heat Do the data for the second part of the experiment support or refute the second hypothesis
Ksivusya [100]
  • The data for the first part of the experiment support the first hypothesis.
  • As the force applied to the cart increased, the acceleration of the cart increased.
  • Since the increase in the applied force caused the increase in the cart's acceleration, force and acceleration are directly proportional to each other, which is in accordance with Newton's second law.

When we state something about the results on the basis whether the observed data supports the original hypothesis, we say that we are concluding the results.

What is the relationship between force and acceleration based on Newton's 2nd law?

Newton's second law of motion can be formally stated as follows: The acceleration of an object as produced by a net force is directly proportional to the magnitude of the net force, in the same direction as the net force, and inversely proportional to the mass of the object.

Learn more about Newton's second law of motion brainly.com/question/13447525

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6 0
2 years ago
What is another term for a polar molecule?
Zanzabum

they can be called polar covalents

7 0
3 years ago
Read 2 more answers
There is a high concentration of this and other metals in the mesosphere
WARRIOR [948]
Hey there! 

The answer to your question is: Iron

There is a very high concentration of iron and other metals in the mesosphere. There is a further buildup of these metals when meteorites burn up in the atmosphere and release such metal atoms. 

Thank you! 
7 0
4 years ago
True or false: Decreased output from the vasomotor center allows arterioles and veins to constrict.
wolverine [178]
<h3><u>Answer;</u></h3>

The above statement is False

<h3><u>Explanation;</u></h3>
  • Decreased output from the vasomotor center allows arterioles and veins to dilate.
  • The vasomotor center controls vessel tone or contraction of the smooth muscle in the tunica media.It is responsible for central regulation of cardiac electrical activity, myocardial performance, and peripheral vascular tone.
  • Changes in diameter affect peripheral resistance, pressure, and flow, which in turn affect cardiac output.
3 0
3 years ago
A water pipe is inclined 40.0° below the horizontal. The radius of the pipe at the upper end is 2.00 cm. If the gauge pressure a
aliya0001 [1]

Answer:

P_2 = -1.9 \times 10^8 Pa

Explanation:

As it is given that flow rate in the pipe is 20 cm^3/s

so we have

Q = A_1v_1 = A_2v_2

at the upper end the area is given as

A_1 = \pi r_1^2

A_1 = \pi(0.02)^2 = 1.26 \times 10^{-3} cm^2

Also at the other end

A_2 = \pi r_2^2

A_2 = \pi(0.01)^2 = 0.314 \times 10^{-3} cm^2

now the speed at two ends is given as

v_1 = \frac{20}{1.26 \times 10^{-3}}

v_1 = 159.15 m/s

v_2 = \frac{20}{0.314 \times 10^{-3}}

v_2 = 637 m/s

now by Bernoulli's theorem we have

P_1 + \frac{1}{2}\rho v_1^2 + \rho g h_1 = P_2 + \frac{1}{2}\rho v_2^2 + \rho g h_2

now we have

0.112(1.013 \times 10^5) + \frac{1}{2}1000(159.15)^2 + 1000(9.81)(2.65sin40) = P_2 + \frac{1}{2}(1000)(637)^2 + 0

Now we have

P_2 = -1.9 \times 10^8 Pa

4 0
3 years ago
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