Maths-
General
Easy
Question
Let If AB is a scalar multiple of B, then
- z
- -z
- 0
- 2z
The correct answer is: -z
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An open tank is filled with Hg upto a height of 76cm. Find the pressure at the bottom of the tank and middle of the tank. (If atmospheric pressure is 1 atm) respectively are
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For one mole of a van der Waals gas when b=0 and T = 300 K, the PV vs 1/V plot is shown below. The value of ‘a’ (atmliter2 .mol–2) is
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In the equation The value of x is :
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If then the value(s) of is are
If then the value(s) of is are
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From a high tower at time , one stone is dropped from rest and simultaneously another stone is projected vertically up with an initial velocity. The graph of the distance between the two stones, before either his the ground, plotted against time will be as
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Let M and N be two 3×3 non- singular symmetric matrices such that MN NM .If denotes the transpose of the matrix P, then is equal to
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If A is 3×3 non-singular matrix then
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Let points A(7, 5), B(2, 1), C(10, 3) the vertices of a ΔABC. I is incentre of ΔABC. E and D are points of contact of incircle and sides AC and BC of ΔABC respectively. If G is the intersection points of angle bisector of ΔB and line joining ED. Then angle between line AG and BG is
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If then =
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maths-General
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If the acceleration of the elevator , then
If the acceleration of the elevator , then
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Which of the following options is correct for the object having a straight line motion represented by the following graph?
Which of the following options is correct for the object having a straight line motion represented by the following graph?
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The principal value of where is
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In the arrangement shown in figure all surfaces are smooth. Select the correct alternative(s)
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physics-General