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CBSE Class 11 Science Free Doubts and Solutions

CBSE - XI Science - Physics

hey pls give me a better explanation for parsec

Asked by niza17kapoor 20th June 2019, 11:40 AM
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CBSE - XI Science - Chemistry

why is the carbon 14 is not stronger then carbon 12  

Asked by manojkumarb9833 19th June 2019, 10:53 PM
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CBSE - XI Science - Mathematics

Dear Sir/mam, Please can you answer and explain question no. 23.

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Asked by crsantoshnis 17th June 2019, 4:32 PM
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CBSE - XI Science - Physics

Pls solve

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Asked by pb_ckt 16th June 2019, 9:36 PM
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CBSE - XI Science - Mathematics

Pls solve.

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Asked by pb_ckt 15th June 2019, 11:16 PM
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CBSE - XI Science - Mathematics

pls solve.

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Asked by pb_ckt 14th June 2019, 11:21 PM
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CBSE - XI Science - Mathematics

pls solve

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Asked by pb_ckt 14th June 2019, 11:18 PM
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CBSE - XI Science - Mathematics

pls solve.

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Asked by pb_ckt 14th June 2019, 11:18 PM
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CBSE - XI Science - Physics

Calculate percentage error in the determination of G= 4pie square L/Tsquare , when L and T are measured with plus minus 2% and plus minus 3% error respectively. 

Asked by Ravidalton816 13th June 2019, 9:58 PM
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CBSE - XI Science - Physics

a planet moves around the sun in nearly circular orbit its speed of revolution depends upon radius of orbit      2.mass(m)of the sun     3.gravitational constant(g)     show that T2 is directly propotional to R3

Asked by krishnamurthyganapathy1968 13th June 2019, 6:17 PM
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