# a student in a band notices that a drum vibrates when another instrument emits a certain frequency note. which wave behavior illustrates this phenomenon?

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## Optics and Waves Review

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## Optics and Waves Review

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0 10th - 12th Physics Deleted User 5 years

## 13 Qs

1. Multiple-choice 45 seconds Q.

What is the angle of reflection if the incident angle is 35o?

answer choices 55o 25o 350 90o 2. Multiple-choice 45 seconds Q.

What is common with all electromagnetic and mechanical waves?

answer choices

They travel at the same speed

They transfer energy

They are all longitudinal waves

They are all transverse waves

3. Multiple-choice 1 minute Q.

If an object is located 15 cm from the lens and the focal point is also at 15 cm, what kind of image is formed?

answer choices Real Virtual No image 4. Multiple-choice 30 seconds Q.

What happens to the speed of a light ray when it enters a more dense material?

answer choices It slows down It speeds up It stays the same 5. Multiple-choice 30 seconds Q.

If Jean is standing 3 feet from a plane mirror, how far is Jean's image behind the mirror?

answer choices 1 foot 3 feet 6 feet 9 feet 6. Multiple-choice 45 seconds Q.

What are the properties of the image of a plane mirror?

answer choices Real, Enlarged Virtual, Enlarged Real, Same Size Virtual , Same Size 7. Multiple-choice 1 minute Q.

An image is located at 5 cm from the lens and the focal length is 3 cm. Where is the object located?

answer choices 3/15 cm 2/15 cm 5 cm 7.5 cm 8. Multiple-choice 45 seconds Q.

Which wave characteristic is the same for all types of electromagnetic waves traveling in a vacuum?

answer choices Speed Period Frequency Wavelength 9. Multiple-choice 30 seconds Q.

The energy of a water wave is most closely related to its

answer choices frequency period wavelength amplitude 10. Multiple-choice 45 seconds Q.

A student in a band notices that a drum vibrates when another instrument emits a certain frequency note. This phenomenon illustrates

answer choices reflection refraction resonance doppler effect 11. Multiple-choice 30 seconds Q.

Sound is an example of a

answer choices transverse wave longitudinal wave focal wave

electromagnetic wave

12. Multiple-choice 30 seconds Q.

An image that forms at a location from which the light rays appear to come but do not actually come

answer choices real virtual critical focal 13. Multiple-choice 30 seconds Q.

A wave travels at 340 m/s. It has a wavelength of 17 m. Calculate the frequency of the wave.

answer choices .05 m/s 5,780 m/s 20 m/s

Not enough information

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## A student in a band notices that a drum vibrates when another instrument emits a certain frequency note. This phenomenon illustrates

A student in a band notices that a drum vibrates when another instrument emits a certain frequency note. This phenomenon illustrates? >>

## A student in a band notices that a drum vibrates when another instrument emits a certain frequency note. This phenomenon illustrates

This is a List of Available Answers Options :

reflection refraction resonance doppler effect

The best answer is **C. resonance**.

Reported from teachers around the world. The correct answer to **❝A student in a band notices that a drum vibrates when another instrument emits a certain frequency note. This phenomenon illustrates❞** question is **C. resonance**.

I Recommend you to read the next question and answer, Namely A person is standing still and listening to a siren sounding an alarm. The frequency of the sound is 500 Hz. The person begins running toward the sound at a rate of 20 m/s. The frequency of the sound the person hears will with very accurate answers.

CLICK TO SEE ANSWER

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## Unit 2 Sound Wave Review Flashcards

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## Unit 2 Sound Wave Review

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A standing sound wave in a pipe has five nodes and five antinodes. How many open ends does the pipe have?

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one

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A standing sound wave in a pipe has five nodes and five antinodes. What is the harmonic number n for standing wave?

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?

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1/29 Created by katechansonsmith

### Terms in this set (29)

A standing sound wave in a pipe has five nodes and five antinodes. How many open ends does the pipe have?

one

A standing sound wave in a pipe has five nodes and five antinodes. What is the harmonic number n for standing wave?

?

A sound wave has a wavelength of 3.0m. The distance from a compression center to the adjacent rarefaction center is?

1.5m

During a time interval of exactly one period of vibration of a tuning fork, the emitted sound travels a distance of?

one wavelength in air

"Beats" in sound refer to?

combination of two waves of slightly different frequency

Two stationary tuning forks (350 and 352 Hz) are struck simultaneously. The resulting sound is observed to?

beat with a frequency of 2 beats

Which of the following properties of a sound wave determine its "pitch"?

frequency

Two notes are an "octave" apart. The ratio of their frequencies is?

2

If the sound level is increased by 10 db the intensity increases by a factor of

10

Two waves traveling in the same medium interfere to produce a standing wave. What is the phase difference between the two waves at a node?

180

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### Verified questions

PHYSICS

Find the largest wavelength of light falling on double slits separated by 1.20

\mu

μm for which there is a first-order maximum. Is this in the visible part of the spectrum?

Verified answer PHYSICS

In STM, an elevation of the tip above the surface being scanned can be determined with a great precision, because the tunneling-electron current between surface atoms and the atoms of the tip is extremely sensitive to the variation of the separation gap between them from point to point along the surface. Assuming that the tunneling-electron current is in direct proportion to the tunneling probability and that the tunneling probability is to a good approximation expressed by the exponential function

e^{-2\beta L } e −2βL with

\beta =10.0 ~ \mathrm{N}/\mathrm{m}

β=10.0 N/m, determine the ratio of the tunneling current when the tip is 0.500 nm above the surface to the current when the tip is 0.515 nm above the surface.

Verified answer PHYSICS

A Foucault pendulum consists of a brass sphere with a diameter of 35.0 cm suspended from a steel cable 10.5 m long (both measurements made at

20.0^{\circ} \mathrm{C}

20.0 ∘

C). Due to a design over-sight, the swinging sphere clears the floor by a distance of only 2.00 mm when the temperature is

20.0^{\circ} \mathrm{C}

20.0 ∘

C. At what temperature will the sphere begin to brush the floor?

Verified answer PHYSICS

The method of Lagrange multipliers works perfectly well with non-Cartesian coordinates. Consider a mass m that hangs from a string, the other end of which is wound several times around a wheel (radius R, moment of inertia I) mounted on a frictionless horizontal axle. Use as coordinates for the mass and the wheel x, the distance fallen by the mass, and φ he angle through which the wheel has turned (both measured from some convenient reference position). Write down the modified Lagrange equations for these two variables and solve them (together with the constraint equation) for ẍ and φ̈ and the Lagrange multiplier. Write down Newton's second law for the mass and wheel, and use them to check your answers for ẍ and φ̈. Show that λ∂f/∂x is indeed the tension force on the mass. Comment on the quantity λ∂f/∂φ.

Guys, does anyone know the answer?