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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
Two wires are made of the same material and have the same volume. However wire 1 has cross-sectional area A and wire -2 has cross-sectional area 3A. If the length of wire 1 increases by
$Δx$
on applying force F, how much force is needed to stretch wire 2 by the same amount ?
class 12
JEE Main
A particle has an initial velocity
$3i^+4j^ $
and an acceleration of
$0.4i^+0.30j^ $
. Its speed after 10s is
class 12
JEE Main
A motor cycle starts from rest and accelerates along a straight path at
$2m/s_{2}$
. At the starting point of the motor cycle there is a stationary electric sire. How far has the motor cycle gone when the driver hears the frequency of the siren at 94% of its value when the motor cycle was at rest ? (speed of sound
$=330ms_{−1}$
)
class 12
JEE Main
In an experiment the angles are required to be measured using an instrument 29 divisions of the main scale exactly coincide with the 30 divisions of the vernier scale. If the smallest division of the main scale is half-a-degree
$(=0.5_{∘})$
, then the least count of the instrument is
class 12
JEE Main
Three sound waves of equal amplitudes have frequencies
$(v−1),v,(v+1)$
. They superpose to give beats. The number of beats produced per second will be
class 11
Math
Algebra
Sets
If A, B and C are three sets such that
$A∩B=A∩C$
and
$A∪B=A∪C$
, then
class 11
Math
Algebra
Binomial Theorem
The remainder left out when
$8_{2n}(62)_{2n+1}$
is divided by 9 is
class 12
Math
Algebra
Probability
In a binomial distribution
$B(n,p=41 )$
, if the probability of at least one success is greater than or equal to
$109 $
, then n is greater than
class 12
JEE Main
Which one of the following reactions of Xenon compounds is not feasible ?
class 12
JEE Main
In Cannizzaro reaction given below
$2PhCHO→OH(−)PhCH_{2}OH+PhCO.._{2}$
the slowest step is
1
2
3
4
5
6
7
8
9
10
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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
Two wires are made of the same material and have the same volume. However wire 1 has cross-sectional area A and wire -2 has cross-sectional area 3A. If the length of wire 1 increases by
$Δx$
on applying force F, how much force is needed to stretch wire 2 by the same amount ?
class 12
JEE Main
A particle has an initial velocity
$3i^+4j^ $
and an acceleration of
$0.4i^+0.30j^ $
. Its speed after 10s is
class 12
JEE Main
A motor cycle starts from rest and accelerates along a straight path at
$2m/s_{2}$
. At the starting point of the motor cycle there is a stationary electric sire. How far has the motor cycle gone when the driver hears the frequency of the siren at 94% of its value when the motor cycle was at rest ? (speed of sound
$=330ms_{−1}$
)
class 12
JEE Main
In an experiment the angles are required to be measured using an instrument 29 divisions of the main scale exactly coincide with the 30 divisions of the vernier scale. If the smallest division of the main scale is half-a-degree
$(=0.5_{∘})$
, then the least count of the instrument is
class 12
JEE Main
Three sound waves of equal amplitudes have frequencies
$(v−1),v,(v+1)$
. They superpose to give beats. The number of beats produced per second will be
class 11
Math
Algebra
Sets
If A, B and C are three sets such that
$A∩B=A∩C$
and
$A∪B=A∪C$
, then
class 11
Math
Algebra
Binomial Theorem
The remainder left out when
$8_{2n}(62)_{2n+1}$
is divided by 9 is
class 12
Math
Algebra
Probability
In a binomial distribution
$B(n,p=41 )$
, if the probability of at least one success is greater than or equal to
$109 $
, then n is greater than
class 12
JEE Main
Which one of the following reactions of Xenon compounds is not feasible ?
class 12
JEE Main
In Cannizzaro reaction given below
$2PhCHO→OH(−)PhCH_{2}OH+PhCO.._{2}$
the slowest step is
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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