53 Answered Questions for the topic Waves

11/08/16

Red light has a longer wavelength than blue light. - Answer questions, Explain Please
Red light has a longer wavelength than blue light.   Which of these colors has the higher frequency?   Which of these colors has the higher energy?
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10/26/16

HELP WITH A CHEM QUESTION PLEASE!!! LIGHT AND WAVES!!!!
The question is what is the weight of Orange (590 nm) in nanograms (ng)?   What is the answer to the question and how would you find this?  
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05/23/16

2 sound waves have the same frequency but different amplitudes. What is the difference in how these 2 waves sound to a listener?
how would i word this answer?
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05/23/16

2 vibrating tuning forks held side by side create a beat frequency of 8 hz if one of the frequencies is 216 hz what are the 2 values of the other frequency?
physics help
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Waves Physics

05/23/16

If you increase frequency of a wave does the amplitude increase, decrease, or not change at all?
waves in physics
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04/11/16

problem about interference - waves
You have two vibrating objects in an infinitely large pool. The distance between them is 6.0 m. Their frequency of vibration is 2.0 Hz and the wave speed is 4.0 m/s. The vibrations are sinusoidal.... more
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Waves

01/18/16

if the wave is 16cm/s its wavelength would be
A. 2 cm               B. 16cm   C. 64cm             D. 4 cm  
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07/27/15

What relationship exists between the amplitude of a wave and amount of disturbance in the water?
What relationship exists between the amplitude of a wave and amount of disturbance in the water?
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05/19/15

waves question?
There are two lines of string connected to an oscillator, one only slightly longer. The oscillator is set to vibrate at the lowest frequency, creating a standing wave in the shorter one. Will this... more
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Waves Physics

03/24/15

wavelength of light
When Michelson interferometer was used to measure the wavelength of monochromatic light, it was found that 400 fringes passed the observing microscope when the movable mirror was displaced 0.088... more
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Waves Physics

03/24/15

distance between fringes of monochromatic red light
Two parallel slits used for a Young’ s interferometer experiment are 0.5 mm apart. The screen on which, the fringes are projected is 1.5 m from the slits. What is the distance between the fringes... more
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02/09/15

displacement, pressure amplitude & distance to sound level
A certain source of sound radiates uniformly in all directions in air. At a distance of 5 m the sound level is 80 dB. The frequency is 440 Hz. (a)What is the displacement amplitude at this... more
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02/08/15

Find the position and height of the final image
 An object 4 cm high is 120 cm from a converging lens of 40 cm focal length. A diverging lens of focal length –100 cm is placed 20 cm beyond the converging lens. Find the position and height of the... more
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02/08/15

Find the speed of light in glass, the angle of refraction in glass and the critical angle
The index of refraction of glass is 1.5. Find the speed of light in glass, the angle of refraction in glass, if the light is incident from water at an angle of 40°, the critical angle of incidence... more
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01/26/15

length of air column at frequency
Water is poured into a long glass tube closed at one end. What length of air column must be left above the water level if the column is to reinforce and resonate at a frequency of 440 Hz?
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01/26/15

velocity of sound
Two closed organ pipes of length 0.5 m and 0.525 m are sounded together and produce 6 beats per second. What is the velocity of sound in the medium with which the organ pipes are filled?
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Waves Physics

01/26/15

wavelength, frequency, harmonic of its fundamental vibration
An open organ pipe is 0.84 m long. What is the wavelength of its fundamental vibration? What is the frequency of its fundamental vibration. What is the frequency of the first overtone? What is the... more
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Waves Physics

01/26/15

fundamental frequency of string
A stretched string made of steel is vibrating at its fundamental frequency of 1500 Hz. What is the fundamental frequency of the second string made from the same steel, but which has a diameter... more
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Waves Physics

01/21/15

speed of transverse waves on a string under tension & power
(a) Determine the speed of transverse waves on a string under tension of 80.0 N if the string has a length of 2.00 m and a mass of 5.00 g. (b) Calculate the power required to generate these waves... more
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Waves Physics

01/21/15

sinusoidal wave on a string
A sinusoidal wave on a string is described by the equation: y = (0.15m) sin(10 pi t – 3 pi x + π/4), where x is in meters and t in seconds. If the mass per unit length of this string is 12.0 g/m,... more
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Waves Physics

01/21/15

speed of sound in water
The speed of sound in water is about 1480 m/s. Find the frequency of a sound wave such that its wavelength in water is the same as the wavelength in air at 20° C of a sound wave of frequency 1000... more
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Waves Physics

01/19/15

wavelength in water, steel, and brass
When a sound wave is transferred from one medium to another, its frequency does not change. If the wavelength of a disturbance is 17cm in air, find its wavelength in water, steel, and brass if the... more
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Waves Physics

01/19/15

wavelength of the disturbance
A set of circular ripples is produced on the surface of a pond by throwing a stone into water. At a certain instant, the first crest is 4 m from the point where the stone hit the water, and the... more
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Waves Physics

01/19/15

sound wave from an underwater explosion & angle of refraction in air
The speed of sound in water is 1500 m/s. A sound wave from an underwater explosion approaches the surface at an angle of incidence of 60°. What is the angle of refraction in air? (speed of sound in... more
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01/15/15

Find the displacement and the velocity of the particle
The displacement of a particle in centimetres is given by y=8 sin (2πft). If f=20 Hz, find the displacement and the velocity of the particle at a time t=0.01 s and 0.07 s.
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