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Recent questions tagged q43
Questions
The two nearest harmonics of a tube closed at one end are open at other end are 220 Hz and 260 Hz .What is the fundamental frequency of the system ? end
neet
2017
physics
past paper
t1
q43
asked
Oct 31, 2017
by
meena.p
0
answers
For nuclear reaction : <br> $_{92}U^{235} + _0n^1 \to _{56}Ba^{144} + ......... + 3_0n^1$
neet
1998
physics
past paper
t1
q43
asked
Oct 10, 2017
by
priyanka.c
0
answers
A uniform magnetic field of $3000\;G$ is established along the positive z- direction . A rectangular loop of sides $10\;cm$ and $5\;cm$carries a current of $12\;A$. What is the torque on the loop in the fig? What is the force ?
cbse
class12
physics
ch-4
sec-b
q43
ncert
medium
asked
Jul 28, 2015
by
meena.p
1
answer
A long straight horizontal cable carries a current of $2.5 \;A$ in the direction $10^{\circ}$ south of went to $10^{\circ}$ north of east . The magnetic meridian of the place happens to be $10^{\circ}$ west of the geographic meridian . The earth's magnetic field at the location is $ 0.33 \;G$ and the angle of the dip is zero. Locate the line of neutral points (ignore the thickness of the cable ). (At neutral point magnetic field due to current - carrying cable is equal and opposite to the horizontal component of earth's magnetic field )
cbse
class12
physics
ch-5
sec-a
q43
ncert
medium
asked
Jul 15, 2015
by
meena.p
1
answer
A certain region of space is to be shielded from magnetic fields. Suggest a method.
cbse
class12
physics
ch-5
sec-a
q43
ncert
medium
asked
Jul 14, 2015
by
meena.p
1
answer
Why is meter bridge also called a slide wire bridge ?
cbse
class12
physics
ch-3
sec-a
q43
easy
asked
Jun 30, 2015
by
meena.p
1
answer
A proton and an electron are placed freely in an electric field. Which of the partides will have greater acceleration and why ?
cbse
class12
physics
ch-1
sec-a
q43
difficult
asked
Apr 24, 2015
by
meena.p
1
answer
An ellipse is described by using an endless string which is passed over two pins.If the axes are 6 cm and 4 cm,the length of the string and distance between the pins are ____________
cbse
class11
math
conic-sections
ellipse
exemplar
sec-a
medium
q43
asked
Oct 16, 2014
by
sreemathi.v
1
answer
100 mg of a protein is dissolved in enough water to make 10.0mL of a solution.If this solution has an osmotic pressure of 13.3 mm Hg at $25^{\large\circ}C$.What is the molar mass of protein.
cbse
class12
chemistry
ch2
solutions
sec-b
easy
additionalproblem
q43
asked
Aug 8, 2014
by
sreemathi.v
1
answer
Aqua regia reacts with
jeemain
chemistry
inorganic-chemistry
class12
ch8
d-and-f-block-elements
important-compounds
medium
q43
asked
Jul 31, 2014
by
thanvigandhi_1
1
answer
The chief ore for the extraction of aluminium is
jeemain
chemistry
inorganic-chemistry
class11
ch11
p-block-elements
group-13
boron-family
easy
q43
asked
Jul 25, 2014
by
thanvigandhi_1
1
answer
Match the following :
cbse
math
class11
ch16
probability
exemplar
q43
sec-a
easy
asked
Jul 9, 2014
by
sreemathi.v
1
answer
The standard deviation of data is _______ of any change in origin, but is ____________ on the change of scale.
cbse
math
class11
ch15
statistics
exemplar
q43
sec-a
easy
asked
Jul 9, 2014
by
meena.p
1
answer
Fill in the bank for the following : the line which cuts off equal intercept from the axes and pass through the point (1, -2) is _________.
cbse
class11
ch10
straight-lines
exemplar
sec-a
medium
q43
asked
Jul 8, 2014
by
thanvigandhi_1
1
answer
The number of ways four boys can be seated around a round-table in four chairs of different colours is
cbse
math
class11
ch7
permutations-and-combinations
additionalproblem
q43
sec-a
easy
asked
Jun 20, 2014
by
sreemathi.v
1
answer
The number of permutations of n different objects,taken r at a line,when repetitions are allowed is
cbse
math
class11
ch7
permutations-and-combinations
exercise7-3
exemplar
q43
sec-a
easy
asked
May 16, 2014
by
sreemathi.v
1
answer
The value of $\sin (45^{\large\circ}+\theta)-\cos(45^{\large\circ}-\theta)$ is
cbse
math
class11
ch3
trigonometric-functions
exemplar
q43
sec-b
medium
asked
Apr 21, 2014
by
sreemathi.v
1
answer
If $\alpha, \beta \neq 0$, and $f(n) = \alpha^n+\beta^n$ and $\begin{vmatrix} 3 & 1+f(1) & 1+f(2)\\ 1+f(1)& 1+f(2) &1+f(3) \\ 1+f(2)&1+f(3) & 1+f(4) \end{vmatrix}$$=K(1-\alpha)^2\;(1-\beta)^2\;(\alpha-\beta)^2$, then $K$ is equal to
jeemain
math
matrices-and-determinants
jeemain-2014
q43
asked
Apr 6, 2014
by
balaji.thirumalai
0
answers
Which of the following bases is not present in RNA?
jeemain
aipmt
chemistry
biomolecules
organic-chemistry
cbse
class12
unit16
medium
q43
asked
Mar 28, 2014
by
thanvigandhi_1
1
answer
Predict the product in the following sequence
jeemain
aipmt
chemistry
nitrogen
organic-chemistry
cbse
class12
unit13
q43
difficult
asked
Mar 26, 2014
by
thanvigandhi_1
1
answer
Which one of following reactions will occur on heating $AgNO_3$ above its melting point ?
jeemain
cbse
chemistry
class12
unit6
general-principals-and-processes-of-isolation-of-metals
q43
difficult
asked
Mar 17, 2014
by
meena.p
1
answer
For the reaction $N_2(g) + 3H_2(g)\rightarrow 2NH_3(g) \Delta H = -95.4 \: kJ\: and\: \Delta S = -198.3\: J/K$ \[\] Calculate the temperature at which free energy change is equal to zero.
jeemain
physics
thermodynamics
cbse
class11
class12
q43
medium
asked
Mar 16, 2014
by
thanvigandhi_1
1
answer
Which of the following has ester linkage?
jeemain
aipmt
chemistry
cbse
unit5
class12
organic-chemistry-polymers
q43
medium
asked
Mar 7, 2014
by
thanvigandhi_1
1
answer
Among the following the paramagnetic compound is
jeemain
chemistry
physical-chemistry
class11
unit4
chemical-bonding-and-molecular-structure
valence-bond-theory
q43
medium
asked
Mar 6, 2014
by
sreemathi.v
1
answer
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