Question stringlengths 2 3k | label int64 0 1 |
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Why were some countries, e.g. China, Thailand, never colonized during the colonial age? | 0 |
5. A constant current $i$ is maintained in a solenoid. Which of the following quantities will increase if an iron rod is inserted in the solenoid along its axis?
(a) magnetic field at the centre
(b) magnetic flux linked with the solenoid
(c) self-inductance of the solenoid
(d) rate of Joule heating. | 1 |
Why do people ask questions here in Quora instead of just googling? | 0 |
13. If $\mathrm{Q}, \mathrm{S}$ are two points on the circle $x^{2}+y^{2}=4$ such that the tangents $\mathrm{QP}, \mathrm{SR}$ are parallel. If $\mathrm{PS}, \mathrm{QR}$ intersect at T then $\left(\frac{\mathrm{QT}}{\mathrm{PQ}}\right)^{2}+\left(\frac{\mathrm{ST}}{\mathrm{RS}}\right)^{2}+\mathrm{PQ} \cdot \mathrm{RS} ... | 1 |
What empire dominated in the south of India in the 13th century? | 0 |
What's the coolest, weirdest, most valuable thing you've ever found in a thrift store? | 0 |
What advice would you give to an engineering student in his first internship? | 0 |
10.2 Discuss the general characteristics and gradation in properties of alkaline earth metals. | 1 |
Example 5.14 Determine $p$ such that the length of the subtangent and sub-normal is equal for the curve $y=e^{p x}+p x$ at the point $(0,1)$. | 1 |
43. A plot of reactant concentration versus time for a reaction is a straight line with a negative slope giving the rate constant, and the intercept, giving the initial concentration of the reactant. The order of the reaction is
(a) 0
(b) 1
(c) 2
(d) none of these | 1 |
What is your view on the move to scrap 500 and 1000 rupee notes? What will be its effects? | 0 |
What has been a constant issue with education for as long as education has been around itself? | 0 |
+1-800-281-3707 Apple Macbook Pro technical support phone number to repair Macbook Pro? | 0 |
Can I trust Swoggi.com? | 0 |
Examples of TIR
- Example 31.30 An isotropic point source is placed at a depth $h$ below the water surface. A floating opaque disc is placed on the surface of water so that the source is not visible from the surface. What is the minimum radius of the disc? Take refractive index of water $=\mu$. | 1 |
15. An object is released from rest. The time it takes to fall
through a distance h and the speed of the object as it
falls through this distance are measured with a
pendulum clock. The entire apparatus is taken on the
moon and the experiment is repeated
(a) the measured times are same
(b) the measured speeds are same
... | 1 |
Example 17 A billiard ball, initially at rest, is given a sharp impulse by a cue. The cue is held horizontally a distance $h$ above the centre line as shown in figure. The ball leaves the cue with a speed $v_{0}$ and because of its forward english (backward slipping) eventually acquires a final
$ is e... | 1 |
How do I participate in Vibrant Gujarat Startup Grand Challenge 2016? | 0 |
9. If the temperature of a uniform rod is slightly increased by $\Delta t$, its moment of inertia $I$ about a line parallel to itself will increase by
(a) zero
(b) $\alpha I \Delta t$
(c) $2 \alpha I \Delta t$
(d) $3 \alpha I \Delta t$. | 1 |
10. For the reactions
$$
\begin{array}{rll}
\mathrm{A} \rightleftharpoons \mathrm{~B} & & K_c=2 \\
\mathrm{~B} \rightleftharpoons & \mathrm{C} & K_c=4 \\
\mathrm{C} & \rightleftharpoons & \mathrm{D}
\end{array}
$$
$K_c$ for the reaction $\mathrm{A} \rightleftharpoons \mathrm{D}$ is
(a) $(2+4+6)$
(b) $\frac{2 \times 4... | 1 |
6. A parallel-plate capacitor is connected to a battery. A metal sheet of negligible thickness is placed between the plates. The sheet remains parallel to the plates of the capacitor.
(a) The battery will supply more charge.
(b) The capacitance will increase.
(c) The potential difference between the plates will incr... | 1 |
Who was the leader of the Punjabis? | 0 |
How does the HP OfficeJet 4620 Airprint compare to the HP LaserJet Enterprise M604dn? | 0 |
Can anime exist in a parallel universe of some kind? | 0 |
If Africans are dark-skinned due to hot climate in Africa, why are Indians also dark skinned? | 0 |
Why did Donald Trump win the 2016 American election? | 0 |
How do you build a video streaming service on Node.js servers like at Netflix? | 0 |
Which ones are some of the most soothing tunes composed on a piano? | 0 |
What kind of employees received payments? | 0 |
25. If $\alpha, \beta, \gamma, \delta$ are the smallest positive angles in ascending order of magnitude which have their sines equal to the positive quantity $k$, then the value of $4 \sin \frac{\alpha}{2}+3 \sin \frac{\beta}{2}+2 \sin \frac{\gamma}{2}+\sin \frac{\delta}{2}$ is equal to
a. $2 \sqrt{1-k}$
h. $2 \sqrt{1+... | 1 |
What are some reviews of Nespresso refillable pods? | 0 |
6. The point of contact of the tangent with the hyperbola is
a. $\left(\frac{2}{9}, \frac{31}{3}\right)$
b. $\left(\frac{7}{4}, \frac{23}{4}\right)$
c. $\left(\frac{2}{3}, 9\right)$
d. $\left(\frac{7}{9}, 7\right)$ | 1 |
What does my Vedic Astrology chart show? | 0 |
What are the different kinds of phobia that people have? | 0 |
Is it possible to be born with naturally purple eyes? | 0 |
Do you need a garage door repair services in New York? | 0 |
10. $\int_{0}^{\pi} \frac{x \tan x}{\sec x+\cos x} d x$ is
a. $\frac{\pi^{2}}{4}$
b. $\frac{\pi^{2}}{2}$
c. $\frac{3 \pi^{2}}{2}$
d. $\frac{\pi^{2}}{3}$ | 1 |
80 Figure 24-64 shows a ring of outer radius $R=13.0 \mathrm{~cm}$, inner radius $r=0.200 R$, and uniform surface charge density $\sigma=6.20 \mathrm{pC} / \mathrm{m}^{2}$. With $V=0$ at infinity, find the electric potential at point $P$ on the central axis of the ring, at distance $z=2.00 R$ from the center of the rin... | 1 |
3.
## Column I
Column II
a. The coordinates of a point on the line $x=4 y+5, z=3 y-6$ at a distance 3 from
p. $(-1,-2,0)$ the point $(5,3,-6)$ is/are
b. The plane containing the lines $\frac{x-2}{3}=\frac{y+3}{5}=\frac{z+5}{7}$ and parallel to
q. $(5,0,-6)$ $\hat{i}+4 \hat{j}+7 \hat{k}$ has the point
c. A line pa... | 1 |
10. Two circular loops of equal radii are placed coaxially at some separation. The first is cut and a battery is inserted in between to drive a current in it. The current changes slightly because of the variation in resistance with temperature. During this period, the two loops
(a) attract each other
(b) repel each oth... | 1 |
How long should you wait to sign into tinder/bumble/hinge after a good first date, knowing they can see your activity status? | 0 |
What is the fastest way to improve at chess? | 0 |
7. When an AC source of emf $e=E_{0}$ $\sin (100 t)$ is connected across a circuit, the phase difference between the emf $e$ and the current $i$ in the circuit is observed to be $\frac{\pi}{4}$
$
b. $\vec{r}=\frac{1}{3}(\vec{a}+\vec{a} \times \vec{b})$
c. $\vec{r}=\frac{2}{3}(\vec{a}-\vec{a} \times \vec{b})$
d. $\vec{r}... | 1 |
does living together and sexual relations before marriage is it a good idea? | 0 |
On Snapchat, if I block someone and they saved my messages, how can they still see the messages when they can't search for me? | 0 |
18. An aqueous solution of NaCl shall boil at
(a) $100^{\circ} \mathrm{C}$
(b) below $100^{\circ} \mathrm{C}$
(c) above $100^{\circ} \mathrm{C}$
(d) $99.9^{\circ} \mathrm{C}$ | 1 |
2. Statement 1: If the vertices of a triangle are having rational coordinates then its centroid, circumcentre and orthocentre are rational.
Statement 2: In any triangle, orthocentre, centroid and circumcentre are collinear and centroid divides the line joining orthocentre and circumcentre in the ratio $2: 1$. | 1 |
What are all the ages of all the "Dragoball Z" character and how is their relationship of each character towards Goku? | 0 |
31. Benzene and naphthalene form an ideal solution at room temperature. For this process, the true statement(s) is(are)
(a) $\Delta G$ is positive
(b) $\Delta S_{\text {system }}$ is positive
(c) $\Delta S_{\text {surroundings }}=0$
(d) $\Delta H=0$ | 1 |
How can I ask great quality questions? | 0 |
47. Let $f: R \rightarrow(0,1)$ be a continuous function. Then, which of the following function(s) has (have) the value zero at some point in the interval $(0,1)$ ?
(a) $e^{x}-\int_{0}^{x} f(t) \sin t d t$
(b) $f(x)+\int_{0}^{\frac{\pi}{2}} f(t) \sin t d t$
(c) $x-\int_{0} f(t) \cos t d t$
(d) $x^{9}-f(x)$ | 1 |
51. A bag contains some white and some black balls, all combinations of balls being equally likely. The total number of balls in the bag is 10 . If three balls are drawn at random without replacement and all of them are found to be black, the probability that the bag contains 1 white and 9 black balls is
a. $14 / 55$
b... | 1 |
In what year did the Hyderabad Literary Festival start? | 0 |
(iii) atleast 3 Kings. | 1 |
How do people with disabilities (both physical and mental impairment) deal with their periods? | 0 |
What is the function of an investment bank? | 0 |
Example 7.90 Evaluate $\int \frac{1-\cos x}{\cos x(1+\cos x)} d x$. | 1 |
Question 7:
Find the $17^{\text {th }}$ and $24^{\text {th }}$ term in the following sequence whose $i^{(D)}$ term is $a_n=4 n-3$ | 1 |
What is geosynclines? | 0 |
7. The sum $\sum_{i=0}^{m} \underset{i}{10} \quad \underset{m-i}{20}$, where $\underset{q}{p}=0$ if $p>q$, is maximum when $m$ is equal to
(2002, 1M)
(a) 5
(b) 10
(c) 15
(d) 20 | 1 |
What did the Movement question? | 0 |
What happens when someone tries to improve education? | 0 |
18. The arrangement of $X^{-}$ions around $A^{+}$ion in solid $A X$ is given in the figure (not drawn to scale). If the radius of $X^{-}$is $250 \mathrm{pm}$, the radius of $A^{+}$is
(a) $104 \mathrm{pm}$
(c) $183 \ma... | 1 |
11. Let a plane $a x+b y+c z+1=0$, where $a, b$ and $c$ are parameters, make an angle $60^{\circ}$ with the line $x=y=z, 45^{\circ}$ with the line $x=y-z=0$ and $\theta$ with the plane $x=0$. The distance of the plane from point $(2,1,1)$ is 3 units. Find the value of $\theta$ and the equation of the plane. | 1 |
What are the best was to lose weight? | 0 |
Ex. 4. 1.525 g of an organic compound was Kjeldahlised and the ammonia so produced was passed into 30 mL of N HCl solution. The remaining HCl was further neutralised by 120 mL of $\frac{\mathrm{N}}{10} \mathrm{NaOH}$ solution. Calculate the percentage of nitrogen in the compound.
$\left\{\begin{array}{l}\text { The stu... | 1 |
What attracts men to women? | 0 |
13. 40 mL of ammonia gas taken in an eudiometer tube was subjected to sparks till the volume did not change any further. The volume was found to increase by 40 mL .40 mL of oxygen was then mixed and the mixture was further exploded. The gases remained were 30 mL . Deduce the formula of ammonia.
$\left(\mathrm{NH}_{... | 1 |
5. In the circuit shown, the potential difference between $A$ and $B$ is
(2019 Main, 11 Jan II)
(a) $3 \mathrm{~V}$
(b) $1 \mathrm{~V}$
(c) $6 \mathrm{~V}$
(d) $2 \mathrm{~V}$ | 1 |
Why didn't the Philippines ask UN backed courts, instead of Permanent Court of Arbitration over the water territorial disputes with China? | 0 |
How is “this” used in a sentence? | 0 |
30. There is a horizontal film of soap solution. On it a thread is placed in the form of a loop. The film is punctured inside the loop and the thread becomes a circular loop of radius $R$. If the surface tension of the soap solution be $T$, then the tension in the thread will be
(a) $\pi R^{2} / T$
(b) $\pi^{2} R^{2... | 1 |
What is the most challenging part of your work and how do you deal with it? | 0 |
5. Find the coordinates of the points which trisect the line segment joining the points $\mathrm{P}(4,2,-6)$ and $\mathrm{Q}(10,-16,6)$. | 1 |
Why would someone's soul decide to kill the person? | 0 |
11. Let, $\overrightarrow{\mathbf{a}}=\hat{\mathbf{i}}+2 \hat{\mathbf{j}}+\hat{\mathbf{k}}, \overrightarrow{\mathbf{b}}=\hat{\mathbf{i}}-\hat{\mathbf{j}}+\hat{\mathbf{k}}, \overrightarrow{\mathbf{c}}=\hat{\mathbf{i}}+\hat{\mathbf{j}}-\hat{\mathbf{k}}$.A vector coplanar to $\overrightarrow{\mathbf{a}}$ and $\overrightar... | 1 |
17. The given inequality has at least one positive solution for $a \in$
a. $(-\infty,-2)$
b. $[3, \infty)$
c. $(2, \infty)$
d. $[-2, \infty)$ | 1 |
How is the system of altitudinal zonation in Europe? | 0 |
What is milk? | 0 |
(i) 300 atoms of $\mathrm{A}+200$ molecules of B | 1 |
How can I master C++ and what is the best book/s for it? | 0 |
4. Identify the case when an elastic metal rod does not undergo elongation
(a) it is pulled with a constant acceleration on a smooth horizontal surface
(b) it is pulled with constant velocity on a rough horizontal surface
(c) it is allowed to fall freely
(d) All of the above | 1 |
I want to make an iOS app. Where should I start? | 0 |
4. If the pressure of a given mass of a gas is reduced to half and temperature is doubled simultaneously, the volume will be
(a) same as before
(b) twice as before
(c) four times as before
(d) one-fourth as before | 1 |
If I need to select 100,000 non-adjacent rows in MySQL based on an indexed field, and do inserts to other tables based on the data, what is the least expensive way to do that? | 0 |
What's the most effective way to get started with Deep Learning? | 0 |
When did Britain withdraw from the Maldives? | 0 |
47. A gas of molecular weight 40 has a specific heat $0.075 \mathrm{cal} / \mathrm{g} / \mathrm{deg}$ at a constant volume. What is the $C_{v}$ value for it and what is the atomicity of the gas?
(3 cal/mole, monoatomic) | 1 |
How can I think creatively? | 0 |
Of what is Hinduism a combination? | 0 |
1.13 Niobium crystallises in body-centred cubic structure. If density is 8.55 $\mathrm{g} \mathrm{cm}^{-3}$. calculate atomic radius of niobium using its atomic mass 93 u. | 1 |
What is the effective way to get taller at age of 20? | 0 |
What are some rarely known facts of the roman empire? | 0 |
12. The adjacent graph shows the extension $(\Delta l)$ of a wire of length $1 \mathrm{~m}$ suspended from the top of a roof at one end and with a load $w$ connected to the other end. If the cross-sectional area of the wire is $10^{-6} \mathrm{~m}^{2}$, calculate from the graph the Young's modulus of the material of th... | 1 |
11. Bodenstein found that at $443^{\circ} \mathrm{C}$ the dissociation of HI according to the equation $2 \mathrm{HI} \rightleftharpoons \mathrm{H}_2+\mathrm{I}_2$ was $21.98 \%$. For experiments at the same temperature, starting with varying amounts of $\mathrm{H}_2$ and $\mathrm{I}_2$, the amount of HI present when e... | 1 |
4. A ball of mass $M$ and radius $R$ is released on a rough inclined plane of inclination. Friction is not sufficient to prevent slipping. The coefficient of friction between the ball and the plane is $\mu$. Find:
(a) the linear acceleration of the ball down the plane,
(b) the angular acceleration of the ball about i... | 1 |
- 5 A 2.5 kg block is initially at rest on a horizontal surface. A horizontal force $\vec{F}$ of magnitude 6.0 N and a vertical force $\vec{P}$ are then applied to the block (Fig. 6-17). The coefficients of friction for the block and surface are $\mu_{s}=0.40$ and $\mu_{k}=0.25$. Determine the magnitude of the friction... | 1 |
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