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CBSE - XI Science - Physics - Waves

Q)

Asked by araima2001 25th April 2017, 5:07 AM
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CBSE - XI Science - Physics - Waves

what is correct wave equation 
y=A sin(wt-kx) or y=Asin(kx-wt) ???
 which & how  above equation of waves will used especially in +ve x-direction
& -ve x-direction ???

Asked by Ravikant 16th February 2016, 6:59 PM
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CBSE - XI Science - Physics - Waves

what is the amplitude of a longitudinal wave....and how do we represent longitudinal wave graphically ...?
and i also want  to know that how electromagnetic waves propogates in vaccum..how do they travel when there is no medium for oscillation...????  
pls answer all my questions

Asked by Rzainabafra - 31st January 2016, 1:38 PM
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CBSE - XI Science - Physics - Waves

A sound wave travelling along a string is described by y(x, t) = 5 x 10-3 sin (80x - 3t) in which numerical constants are in S.I unit.  Calculate (i)  the amplitude (ii) the wave length (iii) the period and frequency of the wave.  

Asked by Topperlearning User 22nd May 2015, 2:59 PM
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CBSE - XI Science - Physics - Waves

For the travelling harmonic wave

where x and y are in cm and t in s.  Calculate the phase difference between oscillatory motion of two points separated by a distance of

(a) 4m

(b) 0.5m,

(c)

Asked by Topperlearning User 22nd May 2015, 2:54 PM
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CBSE - XI Science - Physics - Waves

What is propagation constant (k)?

Asked by Topperlearning User 22nd May 2015, 2:37 PM
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CBSE - XI Science - Physics - Waves

Plane microwaves from a transmitter are directed normally towards a plane reflector.A detector moves along the normal to the reflector.Between positions of 14 successive maxima , the detector travels a distance 0.14m. Find the frequency of the transmitter.

Asked by Malavika Umesh 21st May 2015, 9:52 AM
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CBSE - XI Science - Physics - Waves

If light is an electromagnetic wave then why does it remain unchanged in an electric/magnetic field?
 

Asked by joykphukan 10th May 2015, 9:28 PM
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CBSE - XI Science - Physics - Waves

<div>a copper wire is held at the two ends by rigid supports.At&nbsp;<img class="Wirisformula" src="https://images.topperlearning.com/topper/tinymce/integration/showimage.php?formula=8f2698fe1148fba51060b64af588c94f.png" alt="50 to the power of 0" align="middle" />c the wire is just taut&lt;with negligible tension. if Y=1.2X<img class="Wirisformula" src="https://images.topperlearning.com/topper/tinymce/integration/showimage.php?formula=733ff3d4e5b0b649b92a35e61ff2e708.png" alt="10 to the power of 11" align="middle" />N/<img class="Wirisformula" src="https://images.topperlearning.com/topper/tinymce/integration/showimage.php?formula=a50d11393efc067b8506820cf1ccbabf.png" alt="m squared" align="middle" />,<img class="Wirisformula" src="https://images.topperlearning.com/topper/tinymce/integration/showimage.php?formula=dedbf6a559a928eeeaee82c4b1bf40d3.png" alt="alpha" align="middle" />=1.6x<img class="Wirisformula" src="https://images.topperlearning.com/topper/tinymce/integration/showimage.php?formula=bfc08f5d0261794293e07d2fdcbb36c8.png" alt="10 to the power of negative 5 end exponent" align="middle" />&nbsp;and&nbsp;<img class="Wirisformula" src="https://images.topperlearning.com/topper/tinymce/integration/showimage.php?formula=410a657d990d43c84c1191c380605062.png" alt="rho" align="middle" />=9.2x<img class="Wirisformula" src="https://images.topperlearning.com/topper/tinymce/integration/showimage.php?formula=615606f7dfabbc0f75652dd1e8c4698c.png" alt="10 cubed" align="middle" />,then the speed of transverse waves in this wire in this wire at&nbsp;<img class="Wirisformula" src="https://images.topperlearning.com/topper/tinymce/integration/showimage.php?formula=6881e161a138f95ca429868b53f50058.png" alt="30 to the power of 0" align="middle" />c is</div> <div>(a)64.6</div> <div>(b)16.2</div> <div>(c)23.2</div> <div>(d032.2</div>

Asked by Akanksha Mishra 22nd March 2015, 5:33 PM
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CBSE - XI Science - Physics - Waves

Why water waves is said  to be a combination of both transverse and longitudinal waves

Asked by rpmtu 23rd December 2014, 7:37 PM
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CBSE - XI Science - Physics - Waves

Derive an expression for a simple harmonic plane progressive wave.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - XI Science - Physics - Waves

Define transverse wave motion.  What are the essential conditions required for the formation of transverse wave motion?

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - XI Science - Physics - Waves

Define longitudinal wave motion.  What are the essential conditions required for the formation of longitudinal wave motion?

Asked by Topperlearning User 4th June 2014, 1:23 PM
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