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Recent questions tagged q43
Questions
Two masses $M_1$ and $M_2$ are attached to end of a string which passes over a pulley attached to the top of a double inclined plane. If $M_1$ and $M_2$ are $5 kg$ each. and the base angles are $30^{\circ}$ each. The tension in the string.
jeemain
physics
class11
unit3
laws-of-motion
q43
easy
asked
Jul 10, 2013
by
meena.p
1
answer
The following equation describe the motion of object where $x$ is displacement, $v,v_0$ are velocities, $m$ mass $V=Axe^{Bm}-\large\frac{c^2}{v^0}$. What must be the unit of $A$ and $B$?
jeemain
physics
class11
ch2
units-and-measurement
q43
easy
international-system-of-units
asked
Jun 18, 2013
by
meena.p
1
answer
The point of inflexion of the curve $y=x^{4} $ is at
tnstate
class12
bookproblem
p233
objective
q43
asked
May 20, 2013
by
poojasapani_1
1
answer
If the magnitude of moment about the point $\overrightarrow{j}+\overrightarrow{k}$ of a force $\overrightarrow{i}+\overrightarrow{aj}-\overrightarrow{k}$ acting through the point $\overrightarrow{i}+\overrightarrow{j} $ is $\sqrt{8} $ then the value of $a$ is
tnstate
class12
bookproblem
p268
objective
q43
asked
May 10, 2013
by
poojasapani_1
1
answer
P(A speaks truth is) = 4/5 . A coin is tossed. 'A' reports that a head appears. The probability that actually there was a head is.
cbse
class12
additionalproblem
kvquestionbank2012
ch13
q43
p43
math
asked
Feb 5, 2013
by
meena.p
1
answer
Evaluate:\[\large\int x^2\;\sqrt [3] {2x-1} dx\]
cbse
class12
additionalproblem
kvquestionbank2012
ch7
q43
p27
math
asked
Feb 3, 2013
by
meena.p
0
answers
Show that the volume of greatest cylinder which can be inscribed in a cone of height h and semi vertical angle $\alpha\;is\;\frac{4}{27}\pi h^3\tan ^2\alpha$
cbse
class12
additionalproblem
kvquestionbank2012
ch6
q43
p19
math
asked
Jan 29, 2013
by
meena.p
0
answers
Differentiate $ \cos^{-1} \bigg[\large\frac{3 \cos x-2 \sin x}{\sqrt {13}}\bigg] w.r.t \; \sin^{-1} \bigg[\large\frac{5\sin x +4 \cos x}{\sqrt{41}}\bigg]$
cbse
class12
additionalproblem
kvquestionbank2012
ch5
q43
p14
p406
difficult
math
sec-a
asked
Jan 28, 2013
by
meena.p
1
answer
If $A=\begin{bmatrix} \cos \theta & \sin \theta & \\ -\sin \theta & \cos \theta \end{bmatrix} $ then show that $A^n=\begin{bmatrix} \cos 2\theta & \sin 2\theta & \\ -\sin 2\theta & \cos 2\theta \end{bmatrix} $
cbse
class12
additionalproblem
kvquestionbank2012
ch3
q43
p10
math
sec-b
asked
Jan 24, 2013
by
meena.p
0
answers
Integrating factor of $x\Large \frac{dx}{dy}\normalsize-y=x^4-3x$ is \[(A)\;x\quad(B)\;log x\quad(C)\;\frac{1}{x}\quad(D)\;-x\]
cbse
class12
ch9
sec-a
q43
p196
objective
exemplar
easy
math
asked
Jan 18, 2013
by
sreemathi.v
1
answer
True-or-False: If $\mid \overrightarrow{a}+\overrightarrow{b}\mid=\mid \overrightarrow{a}-\overrightarrow{b}\mid$,then the vectors $\overrightarrow{a}$ and $\overrightarrow{b}$ are orthogonal.
cbse
class12
ch10
q43
p219
exemplar
easy
sec-a
math
asked
Jan 17, 2013
by
sreemathi.v
1
answer
Evaluate :$\int \sqrt \tan x \;dx\;$
cbse
class12
ch7
q43
p166
exemplar
sec-c
difficult
math
asked
Jan 14, 2013
by
sreemathi.v
1
answer
The tangent to the curve $y=e^{2x}$ at the point $(0,1)$ meets x-axis at:
cbse
class12
ch6
q43
p139
objective
exemplar
easy
sec-a
math
asked
Jan 11, 2013
by
sreemathi.v
1
answer
A shop keeper sells three types of flower seeds $A_1,A_2 and\;A_3$.They are sold as a mixture where the proportions arev4:4:2 respectively.The germination rates of the three types of seeds are 45%,60% and 35%.Calculate the probability\[\begin{array}{1 1}(i)\;of\;a\;randomly\;chosen\;seed\;to\;germinate\\(ii)\;that\;it\;will\;not\;germinate\;given\;that\;seed\;is\;of\;type\;A_3\\(iii)\;that\;it\;is\;of\;the\;type\;A_2\;given\;that\;a\;randomly\;chosen\;seed\;does\;not\;germinate\end{array}\]
cbse
class12
ch13
q43
p276
exemplar
sec-c
difficult
math
asked
Jan 9, 2013
by
sreemathi.v
1
answer
True or False: Maximum value of the objective function $Z=ax+by$ in a LPP always occurs at only one corner point of the feasible region.
cbse
class12
ch12
q43
p257
true-or-false
exemplar
sec-a
easy
math
asked
Jan 8, 2013
by
sreemathi.v
1
answer
True or False: The intercepts made by the plane $2x-3y+5z+4=0$ on the co-ordinate axis are $-2,\large\frac{4}{3},\frac{-4}{5}.$
cbse
class12
ch11
q43
p239
true-or-false
exemplar
easy
sec-a
math
asked
Jan 7, 2013
by
sreemathi.v
1
answer
Differentiate the following w.r.t x: $\tan^{-1}\Large {\bigg(\frac{\sqrt {1+x^2}+\sqrt{1-x^2}}{\sqrt{1+x^2}-\sqrt{1-x^2}}\bigg)},\normalsize -1 < x < 1,x\neq 0$
cbse
class12
ch5
q43
p110
short-answer
exemplar
sec-b
medium
math
asked
Dec 31, 2012
by
sreemathi.v
1
answer
If A is a matrix of order $3\times 3$,then number of minors in determinant of A are____________.
cbse
class12
ch4
sec-a
q43
p83
fitb
exemplar
easy
math
asked
Dec 28, 2012
by
sreemathi.v
1
answer
If $A=\begin{bmatrix}1 & 2\\4 & 1\end{bmatrix},find\;A^2+2A+7I.$
cbse
class12
ch3
q43
p58
exemplar
sec-b
easy
math
asked
Dec 23, 2012
by
sreemathi.v
1
answer
The value of $\cos^{-1}\bigg(\cos\frac{14\pi}{3}\bigg)$ is _____________.
cbse
class12
ch2
q43
p40
fitb
exemplar
easy
sec-a
math
asked
Dec 21, 2012
by
sreemathi.v
1
answer
Let $f :[0,1]\rightarrow[0,1]$ be defined by$$ f(x)= \left \{ \begin{array}{1 1}\;x,if\;x\;is\;rational & \;\\1-x,if\;x\;is\;irrational & \;\end{array} \right.$$ Then $(f o f)x$ is $$\begin{array}{1 1}(A)\;constant & (B)\;1+x\\(C)\;x & (D)\;none\;of\;these\end{array}$$
cbse
class12
ch1
q43
p15
objective
exemplar
math
sec-a
asked
Dec 19, 2012
by
sreemathi.v
1
answer
Choose the correct answers if $f(a+b-x) = f(x)$ , then $\int\limits_a^bx\;f(x)dx$ is equal to
cbse
class12
bookproblem
ch7
misc
q43
p354
sec-a
medium
math
asked
Dec 2, 2012
by
sreemathi.v
1
answer
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