Which statement is true about how objects appear to bend that are partially submerged in water?They appear to bend at the surface due to reflection.
They appear to bend at the surface due to refraction.
They appear to bend at the surface due to diffraction.
They appear to bend at the surface due to interference

Answers

Answer 1

Answer:

The correct answer to the question is: B) They appear to bend at the surface due to refraction.

EXPLANATION:

When light moves from optical rarer medium to optical denser medium, the light rays are bent towards the normal at the point of incidence on the refracting surface. If the order is changed, then the way will be away from the normal.

This property of light is known as refraction which is due to the fact that light has different velocities in different media.

As per the question, the object appears to be bent when it is submerged in water. Actually the object is not bent. Its the light from object which is bent at the air-water interference.

Hence, the correct answer of this question is refraction.

Answer 2

Answer:

Answer:

answer is b

Explanation:

Related Questions

22. The mechanical efficiency of any machine is always ____________________ than 100 percent.23. When a pole vaulter flexes the pole, the pole vaulter increases the pole’s ____________________ potential energy. 24. Wind turbines convert ____________________ energy into electrical energy.
Find the slope of the line that passes through the pair of points (6, 7) and (9, 2). Find the slope of the line that passes through the pair of points (17, 9) and (5, 29).
Two polarizers are arranged as shown. How much light will reach point X?0%more than 50% but less than 100%50%less than 50% but more than 0%100%
Which of these takes about 365 days to complete? Earth rotating once on its axis Earth rotating once on its axis Earth revolving once around the Sun Earth revolving once around the Sun the moon revolving once around Earth the moon revolving once around Earth the sun revolving once around Eart
All of the following are electromagnetic waves excepta. X rays. b. sound waves. c. gamma rays. d. radio waves.

Which of the following stars would be the most luminous?2. Yellow star
3. Red star
4. Blue star
5. Orange star

Answers

The correct answer to the question that is stated above is the fourth option which is :Blue star.
Blue stars are uncommon but very bright. It has an average luminosity of 1,400,000 ( the Sun =1) with a strong UV continuum. The blue stars average mass is 60 ( the Sun =1) and its average radius is 15 ( the Sun =1).

Answer: Blue star.

Explanation:

What conditions are typcial of the soil the deeper we dig into it?

Answers

When we first dig into soil, it's nice and soft.( Depending on what soil it is; usually topsoil)

But when we go deeper into it, there are rocks and the soil is harder. There is bedrock at the bottom, subsoil in the middle, and topsoil at the top, which is where we walk.

Atoms form two types of bonds. Which describes these bonds? A.
In a covalent bond, valence electrons are shared; in an ionic bond, valence electrons are transferred.

B.
In a covalent bond, valence electrons are transferred; in an ionic bond, valence electrons are shared.

C.
In a covalent bond, outer electron orbitals are shared; in an ionic bond, outer electron orbitals are transferred.

D.
In a covalent bond, outer electron orbitals are transferred; in an ionic bond, outer electron orbitals are shared.

Answers

Atoms form two types of bonds: ionic bond and covalent bond. In a covalent bond, valence electrons are shared; in an ionic bond, valence electrons are transferred. The answer is letter A.

Answer:

Atoms form two types of bonds: ionic bond and covalent bond. In a covalent bond, valence electrons are shared; in an ionic bond, valence electrons are transferred.

Explanation:

Therefore, the answer is A

When in orbit, a satellite such as the space shuttle isa. simply a projectile.
b. in non-accelerated motion.
c. free from Earth's gravity.

Answers

Answer: B

Explanation:

When in orbit, a satellite is hold in position thanks to, between others, the earth's gravity. So the C option is discarded.

A projectile is an object thrown by the exertion of some force, like a bullet or a cannonball.

A satellite is placed in some orbit, so he can rotate the earth. The movement of the satellite is non-accelerated motion, because the only forces that act on the satellite are the forces that hold him in orbit.

Final answer:

When in orbit, a satellite such as the space shuttle is in non-accelerated motion and is influenced by Earth's gravity.

Explanation:

When in orbit, a satellite such as the space shuttle is in non-accelerated motion.

It is not simply a projectile because it is continuously under the influence of Earth's gravity.

However, it is not completely free from Earth's gravity as it continues to be pulled towards the Earth.

Learn more about Satellite motion here:

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um carro com uma velocidade de 80 km\h passa pelo km 240 de uma rodovia as 7:30. a que horas este carro chegara a proxima cidade, sabendo-se que a mesma esta situada no km 300 dessa rodovia?

Answers

From km 240 to km 300 there are 60 km.

The time to travel 60 km at 80km/h is t = d/V = 60km / 80 km/h = 3/4 h.

That is 45 minutes. Then the car will arrive at 7:30 + 45 min = 8:15.

What is the critical angle of a diamond having a refractive index of 2.42? Use air as the second medium. Air has the refractive index 1.00.A. 14.9°
B.24.4°
C.36.6°
D.40.9°

Answers

Given:
refractive index: diamond = 2.42 ; air = 1

90° should have been provided in the problem. I encountered similar problem before.

Using Snell's Law: n1*sin(a) = n2*sin(b)
where:
n1 and n2 are the refractive indexes
sin(a) and sin(b) are the corresponding angles.

n1 = 2.42
n2 = 1.00
b = 90°

n1 * sin(a) = n2 * sin(b)
2.42 * sin(a) = 1 * 1
2.42 * sin(a) = 1
sin(a) = 1 / 2.42
sin(a) = 24.4° Choice B.

Answer:

B.24.4

Explanation:

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