38 Answered Questions for the topic Waves

6d

Frequency and waves

WEGT( Hank-FM) operates at a radio frequency of 99.9MHza) what is the wavelength of this radiation (hint:1MHz= 10^6Hz)b) What is the energy of the radio frequency in the problem above in kJ?

07/19/19

Presence of cross stratified conglomerates in fan deltas?

Why are cross stratified conglomerates found in deposits of fan deltas? I know that fan deltas are alluvial fans that deposit directly into the sea, hence they are poorly sorted.But could not... more

05/01/19

Which of the following is true about sound energy?

A. Sound energy causes particles to move in a circular pattern; the denser the object then the more particles the energy will make contact with.B. Sound requires a medium to travel through; it... more

03/06/19

What is the fundamental frequency?

A string is stretched to a length of 147 cm and both ends are fixed. If the density of the string is 0.011 g/cm, and its tension is 1490 N, what is the fundamental frequency? Answer in units of Hz.?

05/25/18

What happens to amplitude if frequency increases

If frequency increases what happens to the amplitude of the wave??

03/11/18

Using the information provided, calculate the period of the wave:

A transverse wave with an amplitude of 0.20 meter and wavelength of 3.0 meters travels toward the right in a medium with a speed of 4.0 meters per second. Using the information provided, calculate... more

03/11/18

Find the period and speed of the wave:

A periodic wave traveling in a uniform medium has a wavelength of 0.080 meter, an amplitude of 0.040 meter and a frequency of 5.0 Hertz. (a) Determine the period of the wave (b) Calculate the speed... more

03/11/18

Calculate the period of the wave:

A transverse wave with an amplitude of 0.20 meter and wavelength of 3.0 meters travels toward the right in a medium with a speed of 4.0 meters per second.   Using the information provided,... more

01/30/18

What is the difference between longitudinal and transverse waves?

Witch is faster and will witch direction do they oscillate in?

01/30/18

What type of wave is fastest to send information

Sound waves, light waves, or water waves

11/12/17

An ocean wave has a wavelength of 4 meters and a frequency of 3 hertz. What is the speed of the wave?

I need help to find the speed of the wave. In class we are doing a unit on Waves and I need additional help solving the word problems.

08/22/17

Standing Wave Equation help?

How do I solve this? A wave has an amplitude of .0800 m and is moving 7.33 m/s. One oscillator in the wave takes .115 s to go from the lowest point in it's motion to the highest point. Find the... more

03/30/17

The Inverse Square Law

Hi, I have a hard time understanding the concept of the Inverse Square Law, and hence, answering this question. Please help!   The inverse square law for the intensity of light explains why we... more

03/21/17

Period, Frequency, Wavelength and Velocity

James is lying on his body board out in the surf. 12 waves pass him every minute. These waves are about 14m apart from one crest to the next and they rise 2 meters above the normal water level. a)... more

02/05/17

4. Two closed organ pipes of length 0.5 m and 0.525 m are sounded together and produce 6 beats per second.

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

12/13/16

Physics Guitar String problem

A guitar string of length 67 cm and mass per unit length 0.9 g m-1 vibrates at anunknown frequency and is to be tuned to a reference source of 270 Hz, which isachieved by altering the tension of... more

12/13/16

Physics travelling waves

Two counter-propagating waves of amplitude A, wave number k and angular frequency wand equal initial phase excite a standing wave on a string of mass per unit length 3 g m-1which placed under a... more

12/07/16

Physics Wave properties.

a)When a periodic wave excites a medium explain why the particles in the medium can have both velocity and acceleration? (4 marks)     b) What is the phase relationship between the velocity and... more

12/06/16

Linear Superposition of waves ?

Two tuning forks vibrate at frequencies f1 and f2 respectively (f1 ≠ f2) and produce sound waves of equal amplitude. Describe how the sound intensity heard by an observer varies and explain, with... more

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?

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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