Please can you help me!!A group of pupils have a ray box, a mirror, a glass box and a prism. For each block, describe what happens when the ray is directed at it. Use as much scientific knowledge and understanding in your answers as you can. Focus on the processes of reflection , if this happens at all and refraction and dispersion.
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In a mirror, the light ray undergoes reflection, in a glass block, the light ray undergoes refraction. For a prism, a light ray undergoes refraction and dispersion and in a glass box with a smooth surface, it may experience both reflection and refraction.
These processes of reflection, refraction, and dispersion may take place when the ray of light from the ray box is aimed at each of the objects:
Mirror: when a light beam strikes a mirror, it is reflected and reflects at an angle that is equal to the angle of incidence. According to the law of reflection, the angle of reflection and incidence are the same.
Glass Block: when a light beam penetrates a glass block at an angle, it changes direction as a result of the difference in light speed between the different media (glass and air). Refraction is the name given to this phenomenon. If the light in the glass slows down, the ray bends toward the normal, and if it speeds up, it bends away from the normal. The incidence angle and the glass's refractive index both affect how much bending occurs.
Prism: when a light beam enters a prism, it undergoes refraction as it transitions from air to the denser prism material. The rise in refractive index causes the ray to bend in the direction of the prism's base. Dispersion, or the separation of light into its individual colors (rainbow), is another effect of the prism. This occurs as a result of the various wavelengths of light diffracting differently as they pass through the prism. The stunning array of colors that occurs when light passes through a glass prism is caused by this phenomenon.
Hence, in a mirror, the light ray undergoes reflection, in a glass block the light ray undergoes refraction. For a prism, a light ray undergoes refraction and dispersion and in a glass box with a smooth surface, it may experience both reflection and refraction.
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When shined at the glass box, the laws of refraction and dispersion will work to create a displacement of the light once it hits the first wall, but then it will replace itself coming out via the second wall
for the prism, it will refract into all colors of the rainbow because of how the wavelengths separate.
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Answer: B. The earth pulls more on the shuttle
Explanation:
Gravitational pull is directly proportional to the mass of the pulling body. In this case, earth's mass is larger than moon's mass, therefore, earth's gravitational pull on satellite will be greater than moon's gravitational pull on satellite.
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The height of the steel beam is 30.9 m
Explanation:
The gravitational potential energy of an object is the energy possessed by an object due to its position in the gravitational field. Near the Earth's surface, the gravitational potential energy of an object is given by
where
m is the mass of the object
g is the acceleration of gravity
h is the height of the object above the ground
For the steel beam in this problem, we have:
U = 100,000 J is the potential energy
m = 330 kg is the mass
Solving for h, we find the height of the steel beam:
Learn more about gravitational potential energy:
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Answer;
The above statement is true
Human impact on one system leads to changes in more of Earth’s systems.
Explanation;
Events can occur naturally, such as an earthquake or a hurricane, or they can be caused by humans, such as an oil spill or air pollution. An event can cause changes to occur in one or more of the spheres, and/or an event can be the effect of changes in one or more of Earth's four spheres.
Human impact on one system leads to changes in more of Earth’s systems because things like carbon and methane emissions affect the environment, which affects all plant and animal life.
The statement "Human impact on one system leads to changes in more of Earth’s systems." is a true statement. This is further explained below.
What are Earth’s systems?
The Earth's five systems
- geosphere
- biosphere
- cryosphere
- hydrosphere
- atmosphere
combine to create the surroundings we know.
In conclusion, These systems are on a balance to maintain human existence, meaning that if there is a disruption to one there is a disruption to all.
Read more about Earth
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Answer:
90 km/h
Explanation:
60 x 1.5
Answer:
i beileve the answer is A
Explanation: