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Waves Free Doubts and Solutions

CBSE - XI Science - Physics - Waves

How to find out the velocity of sound? Explain with an experiment.

Asked by k.manju2007 8th September 2015, 8:45 PM
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CBSE - XI Science - Physics - Waves

The electromagnetic wave contain both electric and magnetic field. Light is an electromagnetic wave wich contain both magnectic field and electric field . Thus there should be deflection in compus and dammage for electric equipments ? Why this is not happening?

Asked by Vineeth K 4th December 2014, 12:59 PM
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CBSE - XI Science - Physics - Waves

What is the first and second derivative of the function:  r=12/theta - 4/theta^3 + 1/theta^4

Asked by Aruna Ladke 23rd April 2014, 6:25 PM
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CBSE - XI Science - Physics - Waves

A train standing on a platform is blowing a whistle of  frequency 400Hz calculate

1. Frequency

2. wave length

3. the speed of the sound as observed by a person standing a few meters away from the platform toward the observer with a speed of 10Ms-1

 

Asked by Aakrati Gawande 26th March 2014, 6:38 PM
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CBSE - XI Science - Physics - Waves

Discuss the laws of viberations of the string.

Asked by Sidharth V 24th March 2014, 5:39 PM
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CBSE - XI Science - Physics - Waves

Is there any difference between waves and progressive waves. I know that progressive waves are a type of waves but i actually want to ask that (except standing waves) the normally word 'wave' used by us in common language (e.g. sound waves we talk about ) are progressive ones?

Asked by Nishtha Gupta 19th March 2014, 1:00 PM
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CBSE - XI Science - Physics - Waves

According to the video on standing waves the phase difference between the two waves is 0 but yesterday i posted a que with this diagram to ask  for the phase difference (somewhat like standing waves and got the answer (pie/2)c. can you pleasse tell me the meaning of 'c' too?

Asked by Nishtha Gupta 18th March 2014, 6:41 PM
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CBSE - XI Science - Physics - Waves

what is the phase difference between these twoo waves

Asked by Nishtha Gupta 17th March 2014, 10:26 PM
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CBSE - XI Science - Physics - Waves

a wave travelling along a string is described by the equation

y(x,t)=.05 sin(40x-5t)in which the numerical costants are in SI unit.calculate the 1)amplitude 2) wavelength  3)timeperiod.also calculate the displacement at distance 35cm and time 10s

Asked by Krishnamoorthy M R 16th March 2014, 1:10 PM
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CBSE - XI Science - Physics - Waves

 Derive an expression for time period of massless inextensible spring loaded to a weight

Asked by Sidharth V 15th March 2014, 1:40 PM
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