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Recent questions tagged q82
Questions
A and B are two vectors f equal magnitude and $\theta$ is the angle between them. The angle between $\overrightarrow A$ or $\overrightarrow B$ with their resultant is :
jeemain
eamcet
physics
2010
q82
asked
Sep 29, 2013
by
meena.p
1
answer
Calculate the wavelength of the $k_{\alpha}$ line for $z=31$ when $a=5 \times 10^{7}\;Hz^{1/2}$ for a characteristic X-ray spectrum.
jeemain
eamcet
physics
2011
q82
asked
Sep 23, 2013
by
meena.p
1
answer
The work done in moving an object from origin to a point whose positiion vector is $\overrightarrow {r}=3 \hat {i}+ 2 \hat j-5 \hat k$ by a force $\overrightarrow {F}=2 \hat {i}- \hat j- \hat k$ is :
jeemain
eamcet
physics
2013
q82
asked
Sep 17, 2013
by
meena.p
1
answer
If a body is to be projected vertically upwards from the surface of the earth to reach a height nR then the velocity with which it is to be projected is
jeemain
physics
class11
unit6
gravitation
q82
difficult
asked
Aug 26, 2013
by
meena.p
1
answer
A partical is projected along a horizontal field whose co-efficient of friction varies $\mu = \large\frac{A}{x^2}$ where x is a distance from origin in meters and A is a positive constant. The initial distance of particle is 1m from orgin and its velocity is radially outwards. The minumum initial velocity at this point so that the particle never stops is
jeemain
physics
class11
unit4
work-power-energy
q82
difficult
asked
Aug 7, 2013
by
meena.p
1
answer
The contact force exerted by a body A on another body is equal to the normal force between the bodies, we conclude that 1) surface must be smooth 2)force of friction between two bodies may be equal to zero 3) magnitude of normal reaction is equal to that of friction 4) bodies may be rough
jeemain
physics
class11
unit3
laws-of-motion
q82
easy
asked
Jul 13, 2013
by
meena.p
1
answer
Integrating factor of $\large\frac{dy}{dx}+\frac{1}{x\log x}$$.y=\large\frac{2}{x^{2}}$ is
tnstate
class12
bookproblem
p237
objective
q82
modelpaper
oct-2008
mar-2007
jun-2007
oct-2009
asked
May 22, 2013
by
poojasapani_1
1
answer
If $\omega$ is the $n$th root of unity then
tnstate
class12
bookproblem
p273
objective
q82
asked
May 13, 2013
by
poojasapani_1
1
answer
Evaluate:$ \int \limits_{-1}^{3/2} | x \sin \pi x|dx$
cbse
class12
additionalproblem
kvquestionbank2012
ch7
q82
p29
math
asked
Feb 4, 2013
by
meena.p
1
answer
Using differentials evaluate $\tan 44^\circ approximately, 1^\circ=0.07145^\circ$
cbse
class12
additionalproblem
kvquestionbank2012
ch6
q82
p21
math
asked
Jan 30, 2013
by
meena.p
0
answers
Two dice are thrown.If it is known that the sum of numbers on the dice was less than 6,the probability of getting a sum 3,is
cbse
class12
ch13
q82
p283
objective
exemplar
sec-a
easy
math
asked
Jan 10, 2013
by
sreemathi.v
1
answer
Find $\large \frac{dy}{dx},\normalsize if\;y=\large x^{tan x}+\sqrt{\large\frac{x^2+1}{2}}$
cbse
class12
ch5
q82
p113
exemplar
sec-b
medium
math
asked
Jan 2, 2013
by
sreemathi.v
1
answer
True or False: A matrix denotes a number.
cbse
class12
ch3
q82
p63
exemplar
concepts
toolbox
sec-a
easy
math
asked
Dec 24, 2012
by
sreemathi.v
1
answer
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