Physics-
General
Easy
Question
In a vertical U-tube containing a liquid, the two arms are maintained at different temperature
and
. The liquid columns in the two arms have heights
and
respectively. The coefficient of volume expansion of the liquid is equal to

The correct answer is: 
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Two fixed points A and B are taken on the rectangular coordinate axes such that OA = a and OB =b Two variable points P and Q are taken on the same axes so that OP+OQ=OA+OB The locus of the intersection of AQ and BP is
Two fixed points A and B are taken on the rectangular coordinate axes such that OA = a and OB =b Two variable points P and Q are taken on the same axes so that OP+OQ=OA+OB The locus of the intersection of AQ and BP is
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M is the midpoint of side AB of equilateral triangle ABC p is a point on BC such that AP+PM is minimum If AB =20 then the value of AP +PM is
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If the line
cuts the curve
at the points A,B and
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If the line
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then OA.OB.OC =-( where O is origin)
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represent two parallel lines if
represent two parallel lines if
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In
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, area of
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unit then area of
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In a right angled triangle ABC,
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If
then 
If
then 
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is
The value of
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If
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If
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The number of values of a for which
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The number of values of a for which
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If
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If
are the roots of
then the value of
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Let
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Let
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