13 Answered Questions for the topic Sound And Light Waves

Sound And Light Waves

03/01/18

Is sound caused by an echo

 I need to know if sound is caused by echos
Sound And Light Waves Science Physics Communication

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
Sound And Light Waves Science Physics Word Problem

03/18/17

Waves and energy

"When you speak to someone, the air molecules travel from your voice box into the person's ear, thus carrying the sound wave to them."   Is the above statement correct? Explain your... more
Sound And Light Waves

04/21/16

If a have a green light what is its wavelength?

Say I bought a green colored light from the hardware store would there be a specific range for the light's wavelength to be or could it be any wavelength that we can see?
Sound And Light Waves Physics Energy

01/22/16

Is sound energy renewable or non-renewable?

Is sound energy renewable or non-renewable?
Sound And Light Waves Physics Astronomy Physics C

12/05/15

Hubble Telescope question

The Hubble Space Telescope is a reflecting telescope in orbit about the earth so that its resolution would not be limited by turbulence in the atmosphere. Its objective diameter is 2.4 m. For... more
Sound And Light Waves Science Physics Mechanical Physics

08/31/15

Two Forces are acting on an object, a 12-N force and a 5-N force. What is the minimum net force can act on the object?

Two Forces are acting on an object, a 12-N force and a 5-N force. What is the minimum net force can act on the object? Decribe the orientation of the forces in order to give a minimum net force.... more
Sound And Light Waves Math Science Physics

07/22/15

Physics: What are the following for this system: amplitude, frequency, period, spring constant, max velocity and total energy?

A 27.8 gram mass oscillates on the end of a spring and its motion can be described by: (1.5 )sin (21.4 t ) [here the units are standard, meters and seconds]   What are the following for this... more
Sound And Light Waves Math Science Physics

07/15/15

Physics: Doubling the intensity of sound (MC)

Doubling the intensity of sound:   a. Doubles the sound level. b. Increases sound level by factor of √2 . c. Increases sound level by 3 dB.
Sound And Light Waves Physics Physics B Frequency

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
Sound And Light Waves Physics Energy Wave Theory

09/17/14

What is it’s capacity factor?

The Pelamis Sea Snake wave energy collector has a peak power output of 750 kW, and can produce 2600 MWh annually.
Sound And Light Waves

07/09/14

help with light waves and sound waves

      1,  do sound waves reflect off an object, then angle of  incidence equals the angle of reflection 2.  do light waves reflect off an object, then angle of incidence equals the angle of... more
Sound And Light Waves

07/08/14

help with sound waves and light waves

I am confused with a few questions?   1.  can sound waves be polarized? 2.  can light waves be polarized?   3.  can light waves produce resonance? 4.  can sound waves produce... more

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