CBSE Class 11-science Answered

Question no.1,2,3,4

Asked by tamanpreets46 | 11 May, 2020, 07:31: PM

Expert Answer

Check if given formula is correct. If incorrect then write correct formula.

Given equation is -

h = rρg / 2 T cos Θ

where,

h - height

r - radius

ρ - density

g - gravity

T - surface tension

D i m e n s i o n space o f space T space equals space open square brackets M T to the power of negative 2 end exponent close square brackets f o r space r space equals open square brackets L close square brackets f o r space rho space equals space open square brackets M space L to the power of negative 3 end exponent close square brackets space f o r space g space equals open square brackets space L T to the power of negative 2 end exponent close square brackets space f o r space h space equals open square brackets L close square brackets space t h u s comma D i m e n s i o n s space f o r space space L. H. S space equals space h space equals space open square brackets L close square brackets space D i m e n s i o n space f o r space R. H. S space equals space fraction numerator r rho g over denominator 2 T cos theta end fraction space equals space open parentheses fraction numerator open square brackets L close square brackets cross times open square brackets M space L to the power of negative 3 end exponent close square brackets cross times open square brackets space L T to the power of negative 2 end exponent close square brackets space over denominator open square brackets M T to the power of negative 2 end exponent close square brackets end fraction close parentheses space equals space open square brackets L to the power of negative 1 end exponent close square brackets space T h u s comma space L. H. S space not equal to space R. H. S space H e n c e comma space t h e space g i v e n space e q u a t i o n space i s space i n c o r r e c t. space T h e space c o r r e c t space e q u a t i o n space w i l l space b e space h space equals space fraction numerator 2 T cos theta over denominator r rho g end fraction

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Answered by Shiwani Sawant | 11 May, 2020, 10:38: PM