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Recent questions tagged q37
Questions
Two Polaroids $P_1$, and $P_2$ are placed with their axis perpendicular to each other. Unpolarised light $I_o$ is incident on $P_1$. A third polaroid $P_3$, is kept in -between $P_1$, and $P_2$, such that its axis makes an angle $45^{\circ}$ with that of $P_1$. The intensity of transmitted Iight through $P_2$, is:
neet
2017
physics
past paper
t1
q37
asked
Oct 31, 2017
by
meena.p
0
answers
A car is moving with velocity V. If stop after applying break at a distance of 20 m. If velocity of car is doubled, then how much distance it will cover (travel) after applying break :
neet
1998
physics
past paper
t1
q37
asked
Oct 10, 2017
by
priyanka.c
0
answers
A straight horizontal conducting rod of length $0.45\;m$ and mass $60\;g$ is suspended by two vertical wires at its ends. A current of $5.0\;A$ is setup in the rod through the wires . What magnetic field should be setup normal to the conductor in order that the tension in the wires is zero?
cbse
class12
physics
ch-4
sec-b
q37
ncert
difficult
asked
Jul 28, 2015
by
meena.p
1
answer
If a torrid uses Bismuth for its core, will the field in the core be (slightly ) greater or (slightly ) less than when the core is empty ?
cbse
class12
physics
ch-5
sec-a
q37
ncert
easy
asked
Jul 14, 2015
by
meena.p
1
answer
If the length of a wire conductor is doubled by stretching it, keeping the p.d across it constant, by what factor does the drift speed of electrons charge ?
cbse
class12
physics
ch-3
sec-a
q37
difficult
asked
Jun 30, 2015
by
meena.p
1
answer
Why two electric lines of force cannot intersect each other ?
cbse
class12
physics
ch-1
sec-a
q37
medium
asked
Apr 22, 2015
by
meena.p
1
answer
State whether the following statement is True or False : The line $lx+my+n=0$ will touch the parabola $y^2=4ax$ if $ln=am^2$
cbse
class11
math
conic-sections
parabola
exemplar
sec-a
medium
q37
asked
Oct 15, 2014
by
sreemathi.v
1
answer
A 0.2 percent aqueous solution of a non-volatile solute exerts vapour pressure of $1.004$ bar at $100^{\large\circ}$C.What is the molar mass of the solute?
cbse
class12
chemistry
ch2
solutions
sec-a
difficult
additionalproblem
q37
asked
Aug 8, 2014
by
sreemathi.v
1
answer
Potassium has a bcc structure with nearest neighbour distance $4.52A^{\large\circ}$.Its atomic weight is 39.Calculate its density.
cbse
class12
chemistry
ch1
states-of-matter
solid-state
sec-b
medium
additionalproblem
q37
asked
Aug 4, 2014
by
sreemathi.v
1
answer
Which of the following minerals does not contain aluminium ?
jeemain
chemistry
inorganic-chemistry
class11
ch11
p-block-elements
group-13
boron-family
easy
q37
asked
Jul 25, 2014
by
thanvigandhi_1
1
answer
The probability that the home team will win an upcoming football game is 0.77, the probability that it will tie the game is 0.08, and the probability that it will lose the game is _____________
cbse
math
class11
ch16
probability
exemplar
q37
sec-a
easy
asked
Jul 9, 2014
by
sreemathi.v
1
answer
The following information relates to a sample of size 60: $\sum x^2 =18000, \sum x =960$ The variance is
cbse
math
class11
ch15
statistics
exemplar
q37
sec-b
medium
asked
Jul 9, 2014
by
meena.p
1
answer
Choose the correct answer from the given four options. The point (4, 1) undergoes the following two successive transformations : \[\] (i) Reflection about the line $y=x$ \[\] (ii) Translation through a distance 2 units along the positive x-axis \[\] Then the final coordinates of the point are
cbse
math
class11
ch10
straight-lines
exemplar
objective-type-question
sec-a
difficult
q37
asked
Jul 6, 2014
by
thanvigandhi_1
1
answer
True or False : The sum of coefficients of the two middle terms in the expansion of $(1+x)^{2n-1}$ is equal to $2n-1C_n$.
cbse
math
class11
ch8
binomial-theorem
exemplar
q37
sec-a
easy
asked
Jun 25, 2014
by
sreemathi.v
1
answer
How many ways are there to arrange the letters in the word GARDEN with the vowels in alphabetical order?
cbse
math
class11
ch7
permutations-and-combinations
additionalproblem
q37
sec-b
medium
asked
Jun 20, 2014
by
sreemathi.v
1
answer
The number of ways in which we can choose a committee from four men and six women so that the committee includes at least two men and exactly twice as many women and men is
cbse
math
class11
ch7
permutations-and-combinations
exercise7-3
exemplar
q37
sec-b
medium
asked
May 16, 2014
by
sreemathi.v
1
answer
If $\tan\theta=3$ and $\theta$ lies in third quadrant then the value of $\sin \theta$ is
cbse
math
class11
ch3
trigonometric-functions
exemplar
q37
sec-a
easy
asked
Apr 21, 2014
by
sreemathi.v
1
answer
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