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3 years ago

Why do underwater objects appear distorted when you see them from above?

Physics

2 answers:

steposvetlana [31]3 years ago

4 0

REfraction of the rays coming from the object through the water and then being refracted into the air

WITCHER [35]3 years ago

4 0

The correct answer to the question is : Refraction.

EXPLANATION:

Before going to answer this question, first we have to understand refraction.

Refraction is the optical phenomenon in which light rays are bent at the interface of the two media due to their optical density difference.

When light comes from optical rarer medium to optical denser medium, the rays are bent towards the normal at the point of incidence.

Similarly light rays bend away from the normal when they pass from optical denser medium to optical rarer medium.

As per the questions, the object is present inside the water. The water is optically denser as compared to air. Hence, the light coming from the object is bent at the air-water interface due to refraction of light. That's why the object is appeared to be bent.

Hence, the correct answer is refraction.

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You were driving your car to UTD at a speed of 35 miles per hour. You stopped at the FloydCampbell intersection with the signal

ser-zykov [4K]

Answer:

green light have high energy

Explanation:

We have given the wavelength of the red light $\lambda =6.45\times 10^{-5}cm=6.45\times 10^{-7}m$

Speed of the light $c=3\times 106{8}m/sec$

The energy of the signal is given by $E=h\nu =h\frac{c}{\lambda }=\frac{6.67\times 10^{-34}\times 3\times 10^{8}}{6.45\times 10^{-7}}=3.1023\times 10^{-15}j$

The frequency of the green light is given by:

$f=5.80\times 10^{14}s^{-1}$

So energy $E=h\nu =6.67\times 10^{-34}\times 5.80\times 10^{14}=3.8686\times 10^{-19}j$

So green light have high energy

8 0

3 years ago

A piano string having a mass per unit length equal to 5.00× 10⁻³kg / m is under a tension of 1350N . Find the speed with which a

DiKsa [7]

Based on the mass per unit length and the tension, the speed that the wave travels on this string is 519.615 m/s.

<h3>What is the speed?</h3><h3 />

The speed that the wave travels can be found as:

Velocity² = Tension / Mass per length

Solving gives:

Velocity² = 1,350 / 0.005

Velocity² = 270,000

Velocity = √270,000

= 519.615 m/s

Find out more on the speed of a wave at brainly.com/question/12215474

#SPJ4

8 0

2 years ago

Which statement explains the polarity of a water molecule?

timofeeve [1]

Answer:

D. The oxygen side is partially negative because electrons are pulled toward the oxygen side.

Explanation:

The water molecule is polar by the virtue of covalent bonds and the hydrogen bonds within and between its molecule.

The oxygen side is partially negative because the electrons are pulled toward the oxygen side.

Between oxygen and hydrogen that makes up the water molecule, oxygen is more electronegative.

An electronegative atom has more affinity for electrons. Since the electrons in the molecule of water is shared between hydrogen and oxygen, the more electronegative specie which is water draws the electron more to itself.

This leaves a net negative charge on the oxygen atom.

8 0

3 years ago

What is needed in order to create a magnetic field

Karolina [17]

magnet

is that a multiple choice question?

5 0

3 years ago

Read 2 more answers

Which is defined as a disturbance in matter that carries energy from one place to another?

Furkat [3]