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Recent questions tagged q49
Questions
Mixture ofchloroxylenol and terpineol acts as
neet
2017
physics
past paper
t1
q49
asked
Nov 2, 2017
by
meena.p
0
answers
A point Q lies on the perpendicular bisector of an electrical dipole of dipole moment p. If the distance of Q from the dipole is r (much larger than the size of the dipole), then the electric field at Q is proportional to :
neet
1998
physics
past paper
t1
q49
asked
Oct 10, 2017
by
priyanka.c
0
answers
A circular coil of 20 turns and radius $10\;cm$ is placed in a uniform magnetic field of $0.10\;T$ normal to the plane of the coil. If the current in the coil is $5.0 \;A$ What is the total torque on the coil ? (The coil is made of copper wire of cross sectional area $`10^{-5}\;m^2$ and the free electron density is given to be $10^{29}/m^3$
cbse
class12
physics
ch-4
sec-b
q49
ncert
medium
asked
Jul 28, 2015
by
meena.p
1
answer
A magnetic dipole is under the influence of two magnetic fields. The angle between the field direction is $60^{\circ}$ and one of the field has a magnitude of $1.2 \times 10^{-2}\;T$ If the dipole comes to stable equilibrium to an angle of $15^{\circ}$ with this field , What is the magnitude of the other field ?
cbse
class12
physics
ch-5
sec-a
q49
ncert
difficult
asked
Jul 15, 2015
by
meena.p
1
answer
When the galvanometer shows no deflection , what will be the current flowing through the $5 \Omega$ resistance ?
cbse
class12
physics
ch-3
sec-a
q49
difficult
asked
Jul 6, 2015
by
meena.p
2
answers
A cylinder of radius R and length L is placed in a uniform electric field parallel to the axis of a cylinder. What is the electric flux through the whole cylinder ?
cbse
class12
physics
ch-1
sec-a
q49
difficult
asked
Apr 24, 2015
by
meena.p
1
answer
Equation of the circle with centre on the $y$-axis and passing through the origin and the point $(2,3)$ is
cbse
class11
math
conic-sections
circle
exemplar
sec-a
medium
q49
asked
Oct 16, 2014
by
sreemathi.v
1
answer
At 300K,36g of glucose present per litre in its solution has an osmotic pressure of 4.98 bar.If osmotic pressure of solution is 1.52 bar at the same temperature,what would be its concentration?
cbse
class12
chemistry
ch2
solutions
sec-a
easy
additionalproblem
q49
asked
Aug 8, 2014
by
sreemathi.v
1
answer
Which of the following alloys of copper does not contain zinc ?
jeemain
chemistry
inorganic-chemistry
class12
ch8
d-and-f-block-elements
important-compounds
medium
q49
asked
Jul 31, 2014
by
thanvigandhi_1
1
answer
Calculate the mean deviation about the mean of the set of first n natural numbers when n is odd number.
cbse
math
class11
ch15
statistics
exemplar
q49
sec-b
medium
asked
Jul 9, 2014
by
meena.p
1
answer
State whether the following statement is true or false and justify : The points A (– 2, 1), B (0, 5), C (– 1, 2) are collinear
cbse
math
class11
ch10
straight-lines
exemplar
sec-a
easy
q49
asked
Jul 8, 2014
by
thanvigandhi_1
1
answer
The number of selecting atleast 4 candidates from 8 candidates is
cbse
math
class11
ch7
permutations-and-combinations
additionalproblem
q49
sec-b
medium
asked
Jun 20, 2014
by
sreemathi.v
1
answer
A committee of 6 is to be chosen from 10 men and 7 women so as to contain atleast 3 men and 2 women . In how many different ways can this be done if two particular women refuse to serve on the same committee.
cbse
math
class11
ch7
permutations-and-combinations
exercise7-3
exemplar
q49
sec-c
difficult
asked
May 16, 2014
by
sreemathi.v
1
answer
The value of $\sin 50^{\large\circ}-\sin 70^{\large\circ}+\sin 10^{\large\circ}$ is
cbse
math
class11
ch3
trigonometric-functions
exemplar
q49
sec-b
medium
asked
Apr 21, 2014
by
sreemathi.v
1
answer
Let C be the circle with centre at (1, 1) and radius = 1. If T is the circle centred at (0, y) passing through origin and touching the circle C externally, then the radius of T is equal to
jeemain
jeemain-2014
math
q49
medium
asked
Apr 7, 2014
by
sreemathi.v
1
answer
Which one of the following is synthesized in our body by sun rays?
jeemain
aipmt
chemistry
biomolecules
organic-chemistry
cbse
class12
unit16
medium
q49
asked
Mar 28, 2014
by
thanvigandhi_1
1
answer
Which of the following does not respond to basic hydrolysis?
jeemain
aipmt
chemistry
nitrogen
organic-chemistry
cbse
class12
unit13
q49
difficult
asked
Mar 26, 2014
by
thanvigandhi_1
1
answer
The natural materials from which an element can be extracted economically are called
jeemain
cbse
chemistry
class12
unit6
general-principals-and-processes-of-isolation-of-metals
q49
difficult
asked
Mar 17, 2014
by
meena.p
1
answer
Calculate Q for isothermal reversible expansion of one mole of ideal gas from initial pressure of 1 bar to 0.1 bar at a constant temperature of 273 K.
jeemain
physics
thermodynamics
cbse
class11
class12
q49
medium
asked
Mar 17, 2014
by
thanvigandhi_1
1
answer
Which of the following is not correct regarding terylene?
jeemain
aipmt
chemistry
cbse
unit5
class12
organic-chemistry-polymers
q49
medium
asked
Mar 10, 2014
by
thanvigandhi_1
1
answer
The hybridisation in both$CH_4$ and $NH_3$ is $sp^3$ .Yet $CH_4$ is tetrahedral and $NH_3$ is of pyramidal shape because
jeemain
chemistry
physical-chemistry
class11
unit4
chemical-bonding-and-molecular-structure
hybridization
q49
medium
asked
Mar 6, 2014
by
sreemathi.v
1
answer
Which one of the following is the smallest in size?
jeemain
chemistry
physical-chemistry
class11
unit4
chemical-bonding-and-molecular-structure
bond-parameters
q49
easy
asked
Mar 5, 2014
by
sreemathi.v
1
answer
What would be the major product in the following reaction
jeemain
chemistry
unit13
class12
organic-chemistry
nitrogen
amines
q49
difficult
asked
Mar 3, 2014
by
sreemathi.v
1
answer
Which of the following resonating structures of $1-methoxy -1, 3- butadiene$ is least stable?
jeemain
chemistry
class11
organic-chemistry
q49
difficult
basic-organic-chemistry
ch12
asked
Feb 24, 2014
by
meena.p
1
answer
In the below reaction what is A?
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
aldehyde-and-ketones
q49
medium
asked
Feb 21, 2014
by
sreemathi.v
1
answer
The solution of differential equation $(x^2-1) \large\frac{dy}{dx}$$+2xy =\large\frac{1}{x^2-1}$
jeemain
math
class12
ch9
differential-equations
homogeneous-differential-equations
q49
easy
asked
Feb 5, 2014
by
meena.p
1
answer
Find the value of $\lambda$ such that $\Delta =0$ for the equation $x^2+y^2-3x+2y+\lambda=0$
jeemain
math
class11
coordinate-geometry-conic -sections
parabola
ch11
q49
easy
asked
Feb 5, 2014
by
sreemathi.v
1
answer
Coordination compound have great importance in biological system .In this content which of the following statement is incorrect
jeemain
chemistry
class12
coordination-compounds
unit9
q49
medium
asked
Feb 3, 2014
by
sreemathi.v
1
answer
The average speed of a car running at the rate of 15 km/hr during the first 30 km at 20 km/hr during the second 30 km and at 25 km/hr during the third 30 km is
jeemain
math
cbse
measures-of-dispersion
class11
statistics
difficult
q49
asked
Feb 1, 2014
by
thanvigandhi_1
1
answer
The standard deviation of $n$ observations $x_1, x_2, ....x_n$ is 2. If $ \sum_{i=1}^n x_i=20$ and $ \sum_{i=1}^n x_i^2=100$ then $n$ is $i=1$
jeemain
math
cbse
class11
statistics
variance-and-standard-deviation
medium
q49
asked
Jan 31, 2014
by
thanvigandhi_1
1
answer
Which of the following statement is incorrect ?
jeemain
physics
class12
unit19
ch14
q49
easy
semiconductor-electronics
concepts
asked
Jan 28, 2014
by
meena.p
1
answer
Aqueous solution of $Na_2O_3$ is
jeemain
chemistry
class11
s-block-elements
unit10
q49
medium
asked
Jan 28, 2014
by
sreemathi.v
1
answer
50ml of certain sample of $H_2O_2$ gives 1200ml of $O_2$ at STP.The volume strength of $H_2O_2$ is
jeemain
chemistry
class11
hydrogen
unit9
q49
medium
asked
Jan 23, 2014
by
sreemathi.v
1
answer
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