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iit jee
| 2009
Solutions for all the questions from iit jee
of year 2009
EXAM
board examination
iit jee
jee advanced
jee main
neet
rtb
YEAR
All
2009
SUBJECT
math
30
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class 12
JEE Main
In an atom, an electron is moving with a speed of 600m/s with an accuracy of 0.005%. Certainity with which the position of the electron can be located is
$(h=6.6×10_{−34}kgm_{2}s_{−1}$
" mass of electron, " e_(m) = 9.1 xx 10^(-31) kg)
class 11
Math
Algebra
Statistics
Statement 1: The variance of first n even natural numbers is
$4n_{2}−1 $
Statement 2: The sum of first n natural numbers is
$(n2n+1 $
and the sum of squares of first n natural numbers is
$(n(n+1)62n+1 $
class 12
Math
3D Geometry
Three Dimensional Geometry
The shortest distance between the line
$yx=1$
and the curve
$x=y_{2}$
is(A)
$832 $
(B)
$823 $
(C)
$532 $
(D)
$43 $
class 12
Math
Algebra
Matrices
Let A be a
$2×2$
matrix Statement 1 :
$adj(adjA)=A$
Statement 2 :
$∣adjA∣=∣A∣$
class 12
Math
Calculus
Differential Equations
The differential equation which represents the family of curves
$y=c_{1}e_{c_{2}x}$
, where
$c_{1}andc_{2}$
are arbitrary constants, is
class 11
Math
Algebra
Complex Numbers
If
$∣∣∣∣∣ z−z4 ∣∣∣∣∣ =2$
, then the maximum value of
$∣Z∣$
is equal to
class 12
JEE Main
On the basis of the following thermochemical data :
$(ΔfG_{2}H_{(aq)}=0)$
$H_{2}O(l)→H_{+}(aq)+OH_{−}(aq),ΔH=57.32kJ$
\displaystyle{H}_{{{2}}}{\left({g}\right)}+
class 12
JEE Main
Copper crystallizes in fcc with a unit cell length of 361pm. What is the radius of copper atom ?
class 12
JEE Main
The major product obtained on interaction of phenol with sodium hydroxide and carbon dioxide is
class 12
JEE Main
The half life period of a first order chemical reaction is 6.93 minutes. The time required for the completion of 99% of the chemical reaction will be (log 2 = 0.301)
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iit jee
| 2009
Solutions for all the questions from iit jee
of year 2009
30
JEE MAINS
Crash Course
●LIVE
Classes starting
15
^{th}
June 2021
30 Students | 90 Days | 24x7 Video Doubt Support
₹16000
₹8000
KNOW MORE
30
JEE MAINS
Crash Course
●LIVE
Classes starting
15
^{th}
June 2021
30 Students | 90 Days | 24x7 Video Doubt Support
₹16000
₹8000
KNOW MORE
Filter Results
EXAM
board examination
iit jee
jee advanced
jee main
neet
rtb
YEAR
All
2009
SUBJECT
math
class 12
JEE Main
In an atom, an electron is moving with a speed of 600m/s with an accuracy of 0.005%. Certainity with which the position of the electron can be located is
$(h=6.6×10_{−34}kgm_{2}s_{−1}$
" mass of electron, " e_(m) = 9.1 xx 10^(-31) kg)
class 11
Math
Algebra
Statistics
Statement 1: The variance of first n even natural numbers is
$4n_{2}−1 $
Statement 2: The sum of first n natural numbers is
$(n2n+1 $
and the sum of squares of first n natural numbers is
$(n(n+1)62n+1 $
class 12
Math
3D Geometry
Three Dimensional Geometry
The shortest distance between the line
$yx=1$
and the curve
$x=y_{2}$
is(A)
$832 $
(B)
$823 $
(C)
$532 $
(D)
$43 $
class 12
Math
Algebra
Matrices
Let A be a
$2×2$
matrix Statement 1 :
$adj(adjA)=A$
Statement 2 :
$∣adjA∣=∣A∣$
class 12
Math
Calculus
Differential Equations
The differential equation which represents the family of curves
$y=c_{1}e_{c_{2}x}$
, where
$c_{1}andc_{2}$
are arbitrary constants, is
class 11
Math
Algebra
Complex Numbers
If
$∣∣∣∣∣ z−z4 ∣∣∣∣∣ =2$
, then the maximum value of
$∣Z∣$
is equal to
class 12
JEE Main
On the basis of the following thermochemical data :
$(ΔfG_{2}H_{(aq)}=0)$
$H_{2}O(l)→H_{+}(aq)+OH_{−}(aq),ΔH=57.32kJ$
\displaystyle{H}_{{{2}}}{\left({g}\right)}+
class 12
JEE Main
Copper crystallizes in fcc with a unit cell length of 361pm. What is the radius of copper atom ?
class 12
JEE Main
The major product obtained on interaction of phenol with sodium hydroxide and carbon dioxide is
class 12
JEE Main
The half life period of a first order chemical reaction is 6.93 minutes. The time required for the completion of 99% of the chemical reaction will be (log 2 = 0.301)
1
2
3
4
5
6
7
8
9
10
Previous
page
1 / 2
You're on page
1
page
2
Next
page
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