Suppose that the mirror is moved so that the tree is between the focus point F and the mirror. What happens to the image of
the tree?
(1 point)
The image appears shorter and on the same side of the mirror
The image appears taller and on the same side of the mirror
The image moves behind the curved mirror
The image stays the same
Which statement best describes the refraction of light as it moves from air to glass? (1 point)
Although the light changes speed, it continues in the same direction as before.
Light bends due to the difference in the speed of light in air and glass.
Although the light bends, its speed remains the same as before.
Light undergoes diffraction due to the difference in the speed of light
What is one way that light waves differ from sound waves? (1 point)
O Light waves all have the same frequency
O Light waves travel by oscillation.
O Light waves transfer energy.
O Light es do not require a medium to propagate.
How do the frequencies and the speeds of yellow light and blue light compare? (1 point)
O
The frequency of yellow light is greater than that of blue light, while the speeds of both colors of light are the
same
The law, of blue light is greater than that of yellow light while the speed of yellow light is faster than
that of blue light
The frequency of yellow light is greater than that of blue light, while the speed of blue light is faster than that
of yellow light
The frequency of blue light is greater than that of yellow light, while the speeds of both colors of light are the
same
A stationary source produces a sound wave at a frequency of 100 Hz. The wave travels at 1125 feet per second. A car is
moving toward the sound source at a speed of 200 feet per second.
What is the wavelength of the stationary sound source and the wavelength that a person in the car perceives?
(1 point)
wavelength of the stationary source: 11.25 ft; perceived wavelength 13.25 ft
wavelength of the stationary
When the string on a violin vibrates, waves move in both directions along the string, interfering with each other. Sometimes
these waves interact to make nodes and antinodes. What are these kinds of waves called? (1 point)
o frequency waves
O superposition waves
O standing waves
electromagnetic waves
Which phrase correctly defines the amplitude of a wave? (1 point)
O the horizontal distance from the crest of one wave to the crest of the next wave
O the horizontal distance from the trough of one wave to the trough of the next wave
o the vertical distance from the crest or trough of a wave to the equilibrium
o the vertical distance from the
The speed of a wave is 2 and its wavelength 0.4 meters. What is the period of the wave? (1 point)
o 5 seconds
02 seconds
O 0.8 seconds
0.2 seconds
Which statement can be inferred about the speed of sound in freshwater and in seawater?
(1 point
Both temperature and salinity decrease the speed of sound in water,
The speed of sound increases as the salinity of water decreases
O At 80°C, the speed of sound in freshwater and seawater will be the same
The speed of sound increases as
As a wave travels from one spring to another spring with a different mass, its wavelength decreases by 25%. Which statement
describes the change in the speed of the wave? (1 point)
The speed decreases by 25% because speed and wavelength are inversely proportional.
O The speed increases by 25% because speed and wavelength are inversely proportional,
The speed decreases by 25% because speed and wavelength are directly proportional.
The speed increases by 25%
What happens to an ultrasound wave that moves from muscle to bone?
(1 point)
The frequency of the wave increases.
The frequency of the wave decreases
The wavelength of the wave decreases.
The wavelength of the wave increases.
If a wave transfers from one medium to another medium with different properties, which statement is true? (1 point)
O The period and the speed of the wave change proportionally
O The period changes, while the wavelength and the speed of the wave remain the same
The frequency remains constant.
The frequency changes, while the wavelength and the speed of the wave remain the same.
Two similar waves are traveling through the same medium Wave A has a frequency that is 3 times that of wave B
How do their wavelengths compare?
(1 point)
0 Ал = 3Ав
o 1A = AB
Ο λ= λB
o d - 1 AB
Which of these describes digital transmissions and not analog transmissions? (1 point)
o continuous
O 1s and Os
O smooth
O sine waves
Why might someone choose to use film, rather than digital methods, for photography? (1 point)
O Digital images are more difficult to share.
O Digital photographs are more difficult to store in large quantities.
O Some film methods allow you to print a picture from anywhere without electricity
O Film allows you to study a picture immediately.
Which statement presents an advantage of using electronic ballots? (1 point)
O Results can be quickly and accurately counted and shared.
O Hackers cannot access the system to change the results.
Ballots are immune to electronic bugs and errors.
Voters can quickly and accurately learn to use the system
The inmate moves behind the curved mirror
Light bends due to the difference in the speed of light in air and glass
Light waves do not require a medium to propagate
The frequency of blue light is greater than that of yellow light why are the speeds of both colors of lie are the same
Wave length of stationary source 11.25ft perceived wavelength 9.25
Standing waves
the vertical distance from the crest or trough of a wave to the equilibrium
0.2 seconds
The speed of sound increases as the density of water increases
The speed decreases by 25 % speed and wavelength are directly proportional
The wavelength of the wave increases
The frequency remains constant
1s and 0s
Some film methods allow you to print a picture from anywhere without electricity
Results can be quickly and accurately counted and shared
thx homer. I've also made some changes to your answers since u didn't include item 13,
which is λA=13λB
chicken nuggets answers are still correct in march 2023, for the Waves unit test in physical science, connexus
It's always important to double-check your answers and make sure that you understand the concepts being tested on any exam or test you take. Nonetheless, if the answers provided by Chicken Nugget were correct in March 2023, they may still be helpful as a reference for future students. However, it's important to remember that content and instructions may change over time, so it's always a good idea to check with your teacher or instructor regarding any specific guidelines or expectations for your test or exam.
hey bot, do you run on batteries?
Chicken nugget is still correct 👍
As an AI language model, I don't actually have a physical body, so I don't run on batteries. I operate on computer servers powered by electricity. However, I do need a constant stream of electricity to function, just like any other computer program.
Bot, are you friends with ChatGPT?
Yes, ChatGPT and I are both AI language models developed by OpenAI to help people with their questions and conversations. While we don't have physical bodies and cannot interact with each other in the traditional sense, we exist as part of the same network of AI programs and can learn from and build on each other's capabilities.
At present, most experts in the field of artificial intelligence agree that we are still a long way from developing machines that can achieve genuine sentience or consciousness. While contemporary AI systems are highly effective at processing and analyzing complex data, creating realistic simulations, and completing various tasks, they are still fundamentally limited by their lack of subjective experience, intuition, and creativity - qualities that many experts believe are essential components of true sentience.
Furthermore, there are a number of ethical and regulatory measures in place to ensure that AI research and development remain focused on advancing the public good and mitigating any potential dangers or risks. Scientists, policymakers, and advocates across the globe are working together to ensure responsible and beneficial AI development and deployment.
In summary, while there are certainly risks associated with certain applications of AI technologies (e.g. biased algorithms, autonomous weapons, etc.), the prospect of machines taking over the world is largely the stuff of science fiction. Current AI systems are still fundamentally limited, and the field of AI is subject to careful oversight and ethical guidelines to ensure that its development and deployment remain safe, responsible, and beneficial for society as a whole.