Question stringlengths 2 3k | label int64 0 1 |
|---|---|
In how many seconds can a human eye spot and recognize an image? | 0 |
What are the reasons why beta blockers cause hypoglycemia? | 0 |
How can I improve my English knowledge? | 0 |
2. The foci of the conic are
a. $(2 \sqrt{2}, 0)$ and $(-2 \sqrt{2}, 0)$
b. $(2 \sqrt{2}, 2 \sqrt{2})$ and $(-2 \sqrt{2},-2 \sqrt{2})$
c. $(4,4)$ and $(-4,-4)$
d. $(4 \sqrt{2}, 4 \sqrt{2})$ and $(-4 \sqrt{2},-4 \sqrt{2})$ | 1 |
Did the GSDP of Delhi in 2011-12 increase or decrease from the previous fiscal year? | 0 |
45. What kind of equilibrium constant can be calculated from a $\Delta G^0$ value for a reaction involving only gases?
$$
\left(K_p\right)
$$ | 1 |
Can you buy a pet chipmunk in the United States? | 0 |
In what modern country were Charles the Bald's lands? | 0 |
1. The compound that has the largest $\mathrm{H}-\mathrm{M}-\mathrm{H}$ bond angle $(\mathrm{M}=\mathrm{N}, \mathrm{S},\mathrm{C}$), is :
(a) $\mathrm{H}_{2} \mathrm{O}$
(b) $\mathrm{NH}_{3}$
(c) $\mathrm{H}_{2} \mathrm{~S}$
(d) $\mathrm{CH}_{4}$ | 1 |
What is your reason to live? | 0 |
Can casteism ever end in India? | 0 |
19. Under ambient conditions, which among the following surfactants will form micelles in aqueous solution at lowest molar concentration? [
(a) $\mathrm{CH}_{3}-\left(\mathrm{CH}_{2}\right)_{8}-\mathrm{COO}^{-} \mathrm{Na}^{+}$
(b) $\mathrm{CH}_{3}\left(\mathrm{CH}_{2}\right)_{11} \stackrel{\oplus}{\mathrm{N}}\left(\... | 1 |
What is really ironic? | 0 |
How does a submerged submarine fire a cruise missile? | 0 |
Have sorcerers been scientifically tested? | 0 |
52. The equilibrium constant at 298 K for a reaction
$$
A+B \rightleftharpoons C+D
$$
is 100 . If the initial concentration of all the four species were 1 M each, then equilibrium concentration of $D\left(\mathrm{~mol} \mathrm{~L}^{-1}\right)$ will be
(a) 0.818
(b) 1.818
(c) 1.182
(d) 0.182 | 1 |
94. $\mathrm{Br}_{2}+\mathrm{OH}^{-}=\mathrm{BrO}^{-}+\mathrm{Br}^{-}+\mathrm{H}_{2} \mathrm{O}$ | 1 |
23. In the ideal double-slit experiment, when a glass-plate (refractive index 1.5) of thickness $t$ is introduced in the path of one of the interfering beams (wavelength $\lambda$ ), the intensity at the position where the central maximum occurred previously remains unchanged. The minimum thickness of the glass-plate i... | 1 |
52. If $\frac{\cos (x-y)}{\cos (x+y)}+\frac{\cos (z+t)}{\cos (z-t)}=0$, then the value of $\tan x \tan y \tan z \tan t$ is equal to
a. 1
$\mathbf{h}-1$
c. 2
d -2 | 1 |
## Passage
A dense collection of equal number of electrons and positive ions is called neutral plasma. Certain solids containing fixed positive ions surrounded by free electrons can be treated as neutral plasma. Let $N$ be the number density of free electrons, each of mass $m$. When the electrons are subjected to an e... | 1 |
Why do some Third Wave coffee shops not have WiFi? | 0 |
45. An acidic buffer solution can be prepared by mixing the solutions of
(a) ammonium acetate and acetic acid
(b) ammonium chloride and ammonioum hydroxide
(c) sulphuric acid and sodium sulphate
(d) sodium chloride and sodium hydroxide. | 1 |
Is it good to open the AC in the car when it is moving? | 0 |
What are the phyla that have a ring of ciliated tentacles around the mouth called? | 0 |
4. Find the distance between the chords of contact of the tangents to the circle $x^{2}+y^{2}+2 g x+2 f y+c=0$ from the origin and the point $(g, f)$. | 1 |
What does it mean when someone says that, "You're very judgemental."? If it is a wrong trait, then how do I resolve it? | 0 |
Can I know who visited my whatsapp profile? | 0 |
4. $\sin ^{3}(2 x+1)$ | 1 |
7. In series $L-C$ - $R$ circuit, voltage drop across resistance is $8 \mathrm{~V}$, across inductor is $6 \mathrm{~V}$ and across capacitor is $12 \mathrm{~V}$. Then,
(a) voltage of the source will be leading in the circuit
(b) voltage drop across each element will be less than the applied voltage
(c) power factor ... | 1 |
What is stress in physics? | 0 |
What can I do if I forgot my AOL email password? | 0 |
Who carved the Pulpit in Sant'Andrea? | 0 |
In what year did the New Delhi Railway Station open? | 0 |
I am in 12th and board's are approaching can I get some tricks for paper presentation or scoring good marks? | 0 |
What scientific field tries to understand the mind and behavior? | 0 |
Which river separates the main Aravelli ranges? | 0 |
21. The number of solutions of $\sec ^{2} \theta+\operatorname{cosec}^{2} \theta+2 \operatorname{cosec}^{2} \theta=8,0 \leq \theta \leq \pi / 2$ is
a. 4
h. 3
c. 0
d 2 | 1 |
How has Obamacare impacted you personally or professionally? | 0 |
Explain optical mirage? | 0 |
Example 13 Define the function $f: \mathbf{R} \rightarrow \mathbf{R}$ by $y=f(x)=x^{2}, x \in \mathbf{R}$. Complete the Table given below by using this definition. What is the domain and range of this function? Draw the graph of $f$.
| $x$ | -4 | -3 | -2 | -1 | 0 | 1 | 2 | 3 | 4 |
| :--- | :--- | :--- | :--- | :--- | ... | 1 |
If reports are true, could the execution/bombing of innocent civilians pull U.S. troops into the conflict in Syria? | 0 |
$\bullet 037$ (s) The three spheres in Fig. 13-45, with masses $m_{A}=80 \mathrm{~g}$, $m_{B}=10 \mathrm{~g}$, and $m_{C}=20 \mathrm{~g}$, have their centers on a common line, with $L=12 \mathrm{~cm}$ and $d=4.0 \mathrm{~cm}$. You move sphere $B$ along the line until its center-to-center separation from $C$ is $d=4.0 \... | 1 |
7. The magnetic field in a plane electromagnetic wave is given by
$$
B=(200 \mu \mathrm{T}) \sin \left[\left(4 \cdot 0 \times 10^{15} \mathrm{~s}^{-1}\right)(t-x / c)\right] .
$$
Find the maximum electric field and the average energy density corresponding to the electric field. | 1 |
In the late 17th century the capital of Deccan Suba was moved, to where? | 0 |
(b) If the power supply is now disconnected and the dielectric slab is taken out, find the further increase in energy. | 1 |
Suggest me best book for puzzle in resoning for IBPS PO? | 0 |
14. If the length of a simple pendulum is equal to the radius of the earth, its time period will be
(a) $2 \pi \sqrt{R / g}$
(b) $2 \pi \sqrt{R / 2 g}$
(c) $2 \pi \sqrt{2 R / g}$
(d) infinite | 1 |
What are the best books for preparing IBPS PO and clerk 2016 exam as per the new pattern? | 0 |
52. Which type of 'defect' has the presence of cations in the interstitial sites?
(a) Metal deficiency defect
(b) Schottky defect
(c) Vacancy defect
(d) Frenkel defect | 1 |
20. The intensity of radiation emitted by the sun has its maximum value at a wavelength of $510 \mathrm{~nm}$ and that emitted by the north star has the maximum value at $350 \mathrm{~nm}$. If these stars behave like black bodies, then the ratio of the surface temperature of the sun and the north star is
(a) 1.46
(b)... | 1 |
How many languages do you know? How long did it take you to learn each one of them? | 0 |
4. Three concentric metal shells $A, B$ and $C$ of respective radii $a, b$ and $c(a<b<c)$ have surface charge densities $+\sigma,-\sigma$ and $+\sigma$, respectively. The potential of shell $B$ is
(a) $\frac{\sigma}{\varepsilon_{0}} \frac{b^{2}-c^{2}}{c}+a$
(b) $\frac{\sigma}{\varepsilon_{0}} \frac{a^{2}-b^{2}}{a}+c$
(... | 1 |
16. $\mathrm{HNO}_{2}+\mathrm{KMnO}_{4}+\mathrm{H}_{2} \mathrm{SO}_{4}=\mathrm{HNO}_{3}+\mathrm{KMnO}_{4}+\mathrm{K}_{2} \mathrm{SO}_{4}+\mathrm{H}_{2} \mathrm{O}$ | 1 |
Which is the best website for posting free ads in India? | 0 |
50. In the reaction $2 \mathbf{X}+\mathrm{B}_{2} \mathrm{H}_{6} \rightarrow\left[\mathrm{BH}_{2}\left(\mathbf{X}_{2}\right]^{+}\left[\mathrm{BH}_{4}\right]\right.$
the amine(s) $\mathbf{X}$ is (are)
(a) $\mathrm{NH}_{3}$
(b) $\mathrm{CH}_{3} \mathrm{NH}_{2}$
(c) $\left(\mathrm{CH}_{3}\right)_{2} \mathrm{NH}$
(d) ... | 1 |
What type of theories are favored by scientists studying sexual orientation? | 0 |
46. Good approximation of $\int_{0}^{\pi / 2} \sin x d x$, is
(a) $\pi / 4$
(b) $\pi(\sqrt{2}+1) / 4$
(c) $\pi(\sqrt{2}+1) / 8$
(d) $\frac{\pi}{8}$ | 1 |
2. In Young's double slit experiment, the intensity of light at a point on the screen where path difference is $\lambda$ is $I$. If intensity at another point is $I / 4$, then possible path differences at this point are
(a) $\lambda / 2, \lambda / 3$
(b) $\lambda / 3,2 \lambda / 3$
(c) $\lambda / 3, \lambda / 4$
(d) $2... | 1 |
Why might the scales fail? | 0 |
What was Noriega's government accused of being? | 0 |
(a) Find the gravitational potential
energy of the chain with reference level at the centre of
the sphere. | 1 |
8. Consider a photon of continuous X-ray and a photon of characteristic X-ray of the same wavelength. Which of the following is/are different for the two photons?
(a) Frequency
(b) Energy
(c) Penetrating power
(d) Method of creation | 1 |
13. Let $f(x)=\frac{x^2-9 x+20}{x-[x]}$ (where $[x]$ is the greatest integer not greater than $x$ ), then
a. $\lim _{x \rightarrow 5^{-}} f(x)=0$
b. $\lim _{x \rightarrow 5^{+}} f(x)=1$
c. $\lim _{x \rightarrow 5} f(x)$ does not exist
d. None of these | 1 |
Any sociopaths learn to love? | 0 |
62. If the quadrilateral formed by the lines $a x+b y+c=0$, $a^{\prime} x+b^{\prime} y+c=0, a x+b y+c^{\prime}=0, a^{\prime} x+b^{\prime} y+c^{\prime}=0$ have perpendicular diagonals, then
a. $b^{2}+c^{2}=b^{\prime 2}+c^{\prime 2}$
b. $c^{2}+a^{2}=c^{\prime 2}+a^{\prime 2}$
c. $a^{2}+b^{2}=a^{\prime 2}+b^{\prime 2}$... | 1 |
5. The INCORRECT statement is :
(a) Lithium is the strongest reducing agentamong the alkali metal.
(b) Lithium is least reactive with water among the alkali metas.
(c) $\mathrm{LiNO}_{3}$ decos
(d) $\mathrm{Li}$ chestad | 1 |
32. An object, a convex lens of focal length $20 \mathrm{~cm}$ and a plane mirror are arranged as shown in the figure. How far behind the mirror is the second image formed?
(a) $30 \mathrm{... | 1 |
How do I become an Opthalmologist? | 0 |
According to Grant, the medieval use of reason was the forerunner the revolutionary rationalism of what century? | 0 |
What was the Victorian era of the United Kingdom? | 0 |
14.$ The equation of a transverse wave on a string is
$$
y=(2.0 \mathrm{~mm}) \sin \left[\left(20 \mathrm{~m}^{-1}\right) x-\left(600 \mathrm{~s}^{-1}\right) t\right]
$$
The tension in the string is 15 N . (a) What is the wave speed? (b) Find the linear density of this string in grams per meter. | 1 |
Have you ever faced any supernatural moment in your life? | 0 |
32. If $|z|=1$ and $z \neq=1$, then all the values of $z /\left(1-z^{2}\right)$ lie on a. a line not passing through the origin
b. $|z|=\sqrt{2}$
c. the $x$-axis
d. the $y$-axis | 1 |
The Qing dynasty formed after what event? | 0 |
In simpler terms, how did the global financial crisis in 2008 happen? | 0 |
Is iamtexan.com reliable? | 0 |
5. Find the resistance of a hollow cylindrical conductor of length $1.0 \mathrm{~m}$ and inner and outer radii $1.0 \mathrm{~mm}$ and $2.0 \mathrm{~mm}$ respectively. The resistivity of the material is $2 \cdot 0 \times 10^{-8} \Omega \mathrm{m}$. | 1 |
Which medical university is the top medical university in Ukraine, Europe? | 0 |
7. Which of the following statements about cyclooctatetraene is NOT true?
(A) The compound rapidly decolorizes $\mathrm{Br}_{2} / \mathrm{CCl}_{4}$ solutions. (test for unsaturated hydrocarbon)
(B) The compound rapidly decolorizes aqueous solutions of $\mathrm{KMnO}_{4}$. (test for unsaturated hydrocarbon)
(C) The c... | 1 |
5. An electric dipole is placed at the centre of a sphere. Mark the correct options:
(a) The flux of the electric field through the sphere is zero.
(b) The electric field is zero at every point of the sphere.
(c) The electric field is not zero anywhere on the sphere.
(d) The electric field is zero on a circle on th... | 1 |
What are the best books for learning piano? | 0 |
13. Let $L_{1}$ be a straight line passing through the origin and $L_{2}$ be the straight line $x+y=1$. If the intercepts made by the circle $x^{2}+y^{2}-x+3 y=0$ on $L_{1}$ and $L_{2}$ are equal, then which of the following equation can represent $L_{1}$ ?
(a) $x+y=0$
(b) $x-y=0$
(c) $x+7 y=0$
(d) $x-7 y=0$ | 1 |
What is the internal body cavity of animals in the Bilateria group called? | 0 |
Where was a hoard from Visigothic Spain found? | 0 |
5. If $\int \frac{\left(\sin ^{\frac{3}{2}} \theta+\cos ^{\frac{3}{2}} \theta\right) d \theta}{\sqrt{\sin ^{3} \theta \cos ^{3} \theta \sin (\theta+\alpha)}}=a \sqrt{\cos \alpha \tan \theta+\sin \alpha}+b \sqrt{\cos \alpha+\sin \alpha \cot \theta}+c$, then
(a) $a=2 \sec a, b=2 \operatorname{cosec} a, c \in R$
(b) $a=2 ... | 1 |
10. Calculate the pH of an NaOH solution, the concentration of which is $0 \cdot 1 \mathrm{~g} / \mathrm{L}$. Assume the dissociation of NaOH to be complete. | 1 |
26. A plano-convex lens is made of material of refractive index $n$. When a small object is placed $30 \mathrm{~cm}$ away in front of the curved surface of the lens, an image of double the size of the object is produced. Due to reflection from the convex surface of the lens, another faint image is observed at a distanc... | 1 |
32. A charged capacitor is allowed to discharge through a resistor by closing the key at the instant $t=0$. At the instant $t=(\ln 4) \mu \mathrm{s}$, the reading of the ammeter falls half the initial value. The resistance of the ammeter is equal to
^{x}$, find $\frac{d y}{d x}$.
(ITT-JEE, 1981) | 1 |
Can Height be increased after 18 or 19 years of age? | 0 |
Does College Street, Kolkata remain open on Sundays? | 0 |
What causes pain on the left side, above the hip? | 0 |
2. Two parallel wires $P$ and $Q$ placed at a separation $d=6 \mathrm{~cm}$ carry electric currents $i_{1}=5 \mathrm{~A}$ and $i_{2}=2 \mathrm{~A}$ in opposite directions as shown in figure (35-W2a). Find the point on the line $P Q$ where the resultant magnetic field is zero.
=x$ up to first power in $x$. The error $\Delta \lambda$, in the determination of the decay constant $\lambda$, in $\mathrm{s}^{-1}$, is
(a) 0.04
(b) 0.03
(c... | 1 |
What is it like to work in the Goldman Sachs Securities Division in the Strats Group? | 0 |
52. Three ships $A, B$ and $C$ sail from England to India. If the ratio of their arriving safely are $2: 5,3: 7$ and $6: 11$, respectively, then the probability of all the ships for arriving safely is
a. $18 / 595$
b. 6/17
c. $3 / 10$
d. $2 / 7$ | 1 |
How can I improve my confidence? | 0 |
15. Consider the following cell reaction:
$[2011]$
$2 \mathrm{Fe}(\mathrm{s})+\mathrm{O}_{2}(\mathrm{~g})+4 \mathrm{H}^{+}(\mathrm{aq}) \rightarrow 2 \mathrm{Fe}^{2+}(\mathrm{aq})+2 \mathrm{H}_{2} \mathrm{O}(\mathrm{l}) ; E^{\circ}=1.67 \mathrm{~V}$
At $\left[\mathrm{Fe}^{2+}\right]=10^{-3} \mathrm{M}, \mathrm{P}\le... | 1 |
25. What should be the age of the fossil for meaningful determination of its age?
(a) 6 years
(b) 6000 years
(c) 60,000 years
(d) can be used to calculate any age | 1 |
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