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18
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The volumes of the two spheres are in the ratio 64 : 27. Find the ratio of their surface areas,
answered
Feb 17, 2016
Ratio of s.a is 16:9
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The volumes of the two spheres are in the ratio 64 : 27. Find the ratio of their surface areas,
answered
Feb 17, 2016
ratio is 16:9
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find the tenth term of sequence √2,√8,√18
answered
Feb 14, 2016
d=√2 a=√2 n=10 a10(where 10 is the subscript)=a+(n-1)d =√2+9√2=10√2(Ans.)
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Find the points on the curve 9y2 =x3 where the normal to the curve makes equal intercepts with the axes.
answered
Feb 13, 2016
Let (x', y') be any point on the curve, 9y^2 = x^3 Then, 9y'^2 = x'^3 Diff. W. R . to x we have 9×2y
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Find approximately the percentage error in the calculation of the volume of the sphere.
answered
Feb 12, 2016
Error 0.1% For a sphere, V = 4\3 πr^3 Taking log both sides Log V = 3 log r + log(4\3 π) Diff. Both
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If the error in the measurement of radius of a sphere is 2%, then the error in the determination of volume of the sphere will be :
answered
Feb 12, 2016
(3) is correct. Solution: Given error 2% For a sphere, V = 4\3 × π r^3 Taking log both sides, Log V
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An experiment succeeds thrice as often as it fails. Find the probability that in the next five trials, there will be at least three successes
answered
Feb 11, 2016
Assume that the total number of outcomes are 4 so P(success)=3/4=p and P(failure)=1/4=1-p=...
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Find the equation of the hyperbola.
answered
Feb 11, 2016
Firstly, given foci are (6,4) and (-4,4) therefore, distance b\w the foci is 10. Then, we know that ...
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A) Why photoelectric effect cannot be explained on the basis of wave nature of light? Give reasons. b) Write the basic features of photon picture of electromagnetic radiation on which Einsteins’s photoelectric equation is based.
answered
Jan 6, 2016
There are two main aspects of experimental results which cannot be explained by wave theory. If li...
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A piece of bone of an animal from a ruin is found to have $\;^{14}C\;$ activity of 12 disintegrations per minute per gm of its carbon content .The $\;^{14}C\;$ activity of a living animal is 16 disintegrations per minute per gm .How long ago nearly did the animal die ? (Given half life of $\;^{14}C\;$ is $\;t_{\large\frac{1}{2}}\;$=5760 years)
answered
Nov 28, 2015
12/16 = (1/2)^(t/5760 log(3/4) = -(t/5760)(log2) log3-2log2 = (t/5760)log2 t=2390.61 which is nea...
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" Western Blot " test is done for the confirmation of :
answered
Nov 16, 2015
Yes, western blot is really useful in those field. if you are interested in western blot. you can ...
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The median of a sample will always equal the
answered
Nov 10, 2015
The difference between the largest and the smalles...
-1
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If sum of the 20 deviations from the mean is 100, then the mean deviation is
answered
Sep 11, 2015
The answer to this question is 5
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About tests present on clay6
answered
Sep 2, 2015
Yes, they are free. Also, try the mobile app from https://clay6.com/mobile/ which includes AIPMT too...
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The equation of the pair of lines passing through the origin whose sum and product of slopes are respectively the arithmetic mean geometric mean of 4 and 9 is
answered
Aug 27, 2015
12xpower of 2-13xy+2ypower of 2
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A water tank has a shape of an inverted right circular cone with its axis vertical and vertex lower most. Its semi vertical angle is $\tan^{-1} (0.5)$.Water is poured into it at a constant rate of 5 cubic meter per hour. Find the rate at which the level of the water is rising at the instant when the depth of water in the tank is $4\; m$
answered
Jun 28, 2015
given that d(V)/dt= 5 m3/min we need to find d(h)/dt let semivertical angle be
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Find the area of a trapezium whose parallel sides are of length $16\;cm$ and $20\;cm$ and the distance between them is $5\;cm$
answered
Jun 15, 2015
Sum of parallel sides= 16 cm + 20 cm=36cm Area of trapezium=1/2×36×5  
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Macrophages in the connective tissue is called
answered
Jun 4, 2015
( B ) histiocytes
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