Which of the following has the greatest frequency? a loud middle c note a soft middle c note a note lower than middle c a note higher than middle c?

Answers

Answer 1

Answer:

a note higher than middle c has the greatest frequency. Hence option D is correct.

What is Wave ?

Wave is is a disturbance in a medium that carries energy as well as momentum . wave is characterized by amplitude, wavelength and phase. Amplitude is the greatest distance that the particles are vibrating. especially a sound or radio wave, moves up and down. Amplitude is a measure of loudness of a sound wave. More amplitude means more loud is the sound wave.

Wavelength is the distance between two points on the wave which are in same phase. Phase is the position of a wave at a point at time t on a waveform. There are two types of the wave longitudinal wave and transverse wave.

Hence option D is correct.

To know more about frequency :

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Answer 2

Answer:

Answer:

a note higher than middle c

Explanation:

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suppose that you look into a photometer's eyepiece and the fluorescent disks appear to be equal in intensity. If the distance between the photometer to lamp 1 is 400mm, the distance between the photometer to lamp 2 is 200 mm, and the intensity of lamp 2 is known to be 15 candelas, what is the intensity to lamp 1?

Answers

Use the Inverse square law, Intensity (I) of a light is inversely proportional to the square of the distance(d).

I=1/(d*d)

Let Intensity for lamp 1 is L1 distance be D1 so on, L2 D2 for Intensity for lamp 2 and its distance.

L1/L2=(D2*D2)/(D1*D1)

L1/15=(200*200)/(400*400)
L1=15*0.25
L1=3.75 candela

what kind of wave would be observed in outer space between planets where there is very little matter?

Answers

Shock waves can be observed in outer space between planets where there is very little matter. Although little, plasma does exist in outer space which allows the waves to travel.

Answer:

Either A or C

Explanation:

there are 2 quizlets with 2 different answers, i don't know, man.

John can travel to atlanta 560 miles in 9 hours what is his velocity

Answers

Answer:

132

Explanation:

Displacement is distance combined with

Answers

Its combined with direction.

What is the most important consideration for environmental policy makers?

Answers

The most important consideration for environmental policy makers would be : environmental health
The basic purpose in creating environmental policy is maintaining the health of the population. the policies that created by the policy makers should be created to prevent any type of damage to population's well being

hope this helps

Answer:

Explanati

Humans impact the environment, which can, in turn, have an effect on human health. Pollution is caused by human activity, and it also affects human health. Air pollution can cause respiratory problems and water pollution can lead to digestive problems. As human health is affected by these issues, concern increases and policies are enacted that address the causes of the issues. These policies do benefit the environment, but are, in part, brought about by concerns over human health.

Why do objects move at constant speed

Answers

Most objects move at a constant speed because of friction and acceleration. The constant speed keeps them in place, and keeps a balance.

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