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Home /Doubts and Solutions/CBSE/Class 11 Science

CBSE Class 11 Science Free Doubts and Solutions

CBSE - XI Science - Chemistry

How do I differentiate  between spectral line and photon?

Asked by saxenas55555 17th February 2019, 6:48 PM
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CBSE - XI Science - Chemistry

Is the name of this compound given in pic " dicycloprpenylmethane" correct.?

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Asked by govtsecschoolnayaganv051 17th February 2019, 12:54 PM
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CBSE - XI Science - Physics

A wave of frequency 500 hz travels between X and Y and travel a distance 600 m in 2 sec between X and Y . How many wavelengths are there in distance XY??  

Asked by Anjalirahi29 17th February 2019, 12:43 PM
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CBSE - XI Science - Chemistry

Please  tell me the important topics of chemistry (pradeep's edition) class 11? also tell me the marks carried by chemistry chapters?  

Asked by Suryavanshikatoch 16th February 2019, 7:35 PM
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CBSE - XI Science - Mathematics

                Q) Find the image point (3,8) in the line x+3y-7=0.

Asked by Suryavanshikatoch 14th February 2019, 6:44 PM
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CBSE - XI Science - Mathematics

please use the formula ∑fi|xi-x¯|/∑fi in Q1 Q2) find the image point (3,8) in the line x+3y-7=0.

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Asked by Suryavanshikatoch 14th February 2019, 9:33 AM
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CBSE - XI Science - Physics

A wave pulse is travelling on a string of linear mass density 10g /cm under a tension of 1 kg wt calculate the time taken by the pulse to travel a distance of 50 cm on the string. Given g =10m/s

Asked by drbharatkaila 13th February 2019, 7:36 PM
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CBSE - XI Science - Mathematics

please answer this question

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Asked by Suryavanshikatoch 13th February 2019, 11:25 AM
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CBSE - XI Science - Mathematics

What is bijective function

Asked by harsharaveendran2005 12th February 2019, 9:38 PM
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CBSE - XI Science - Mathematics

Find inverse function f(x) if f(x)=2x-4

Asked by harsharaveendran2005 12th February 2019, 9:37 PM
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