Question stringlengths 2 3k | label int64 0 1 |
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Example 3
In Fig 10.5, which of the vectors are:
(i) Collinear
(ii) Equal
(iii) Coinitial | 1 |
4. Find the value of $\int_{-1}^{3 / 2}|x \sin \pi x| d x$. | 1 |
26. In a factory it is desired to lift 2000 kg of metal through
a distance of 12 m in 1 minute. Find the minimum
horsepower of the engine to be used. | 1 |
My mother thinks not believing in the death and Resurrection of Jesus Christ is equivalent to denying the holocaust. What should I say? | 0 |
Vibration-sensitive neurons are found in what part of the ear? | 0 |
7. $\int \cos x \log \left(\tan \frac{x}{2}\right) d x$ | 1 |
Which two groups of invertebrates have complex brains? | 0 |
Organisms in the Arthropoda group have bodies that are divided into what? | 0 |
How much ice cream can one one eat in a day? | 0 |
1. Dihydrogen of high purity (> $99.95 \%$ ) is obtained through:
(a) the reaction of $\mathrm{Zn}$ with dilute $\mathrm{HCl}$.
(b) the electrolysis of acidified water using Pt electrodes.
(c) the electrolysis of bringe solution.
(d) the electrolysis of warm $\mathrm{Ba}(\mathrm{OH})_{2}$ solution using $\mathrm{... | 1 |
Along with bridges, tithe barns and town halls, what notable new structures were built during this period? | 0 |
Ex. 28. Mercury was added to a 0.001 M solution of $\mathrm{Fe}^{3+}$ at $25^{\circ} \mathrm{C}$. On attainment of equilibrium, $95.4 \%$ of $\mathrm{Fe}^{3+}$ changed into $\mathrm{Fe}^{2+}$. Find standard emf of $\mathrm{Hg}_{2}^{2+} \mid \mathrm{Hg}$ if the cell reaction is
$$
\begin{aligned}
2 \mathrm{Hg}+2 \mathr... | 1 |
Is it selfish to donate money to charity? | 0 |
How do you write a proposal to sponsors? | 0 |
55. $(x-1)(y-2)=5$ and $(x-1)^{2}+(y+2)^{2}=r^{2}$ intersect at four points $A, B, C, D$ and if centroid of $\triangle A B C$ lies on line $y=3 x-4$, then locus of $D$ is
a. $y=3 x$
b. $x^{2}+y^{2}+3 x+1=0$
c. $3 y=x+1$
d. $y=3 x+1$ | 1 |
18. A thin circular ring of mass $M$ and radius $r$ is rotating about its axis with an angular speed $\omega$. Two particles having mass $m$ each are now attached at diametrically opposite points. The angular speed of the ring will become
(a) $\frac{\omega M}{M+m}$
(b) $\frac{\omega M}{M+2 m}$
(c) $\frac{\omega(M-2 m)}... | 1 |
I wanna put few taxis in OLA &Uber in Delhi NCR. From where can I find dedicated drivers? | 0 |
Example 1.27 Find the domain for $f(x)=\sqrt{\cos (\sin x)}$. | 1 |
When did the eastern and western churches split? | 0 |
-26 A 1.0 W point source emits sound waves isotropically. Assuming that the energy of the waves is conserved, find the intensity (a) 1.0 m from the source and (b) 2.5 m from the source. | 1 |
1. Consider the linear equations $a x+b y+c z=0, b x+c y+a z=0$ and $c x+a y+b z=0$.
Match the conditions/expressions in Column I with statements in Column II.
| Column I | Column II |
| :--- | :--- |
| a. $a+b+c \neq 0$ and $a^{2}+b^{2}+c^{2}=a b+b c+c a$ | p. The equations represent planes meeting <br> only at a sin... | 1 |
4. In the wave equation,
$$
y=A \sin \frac{2 \pi}{a}(x-b t)
$$
(a) speed of wave is $a$
(b) speed of wave is $b$
(c) wavelength of wave is $a / b$
(d) wavelength of wave is $a$ | 1 |
3. A particle is projected from a point $P$ with a velocity $v$ at an angle $\theta$ with horizontal. At a certain point $Q$ it moves at right angles to its initial direction. Then
(a) velocity of particle at $Q$ is $v \sin \theta$
(b) velocity of particle at $Q$ is $v \cot \theta$
(c) time of flight from $P$ to $Q$... | 1 |
2. Which one of the following graphs is not correct for ideal gas ?
$\mathrm{d}=$ Density, $\mathrm{P}=$ Pressure, $\mathrm{T}=$ Temperature
(a) I
(b) II
(c) IV
(d) III | 1 |
20. The correct order of hybridization of the central atom in the following species $\mathrm{NH}_{3},\left[\mathrm{PtCl}_{4}\right]^{2-}, \mathrm{PCl}_{5}$ and $\mathrm{BCl}_{3}$ is
(a) $d s p^{2}, d s p^{3}, s p^{2}, s p^{3}$
(b) $s p^{3}, d s p^{2}, s p^{3} d, s p^{2}$
(c) $d s p^{2}, s p^... | 1 |
Why are some less than scary horror movies rated so highly on IMDB? | 0 |
- Example 18 A small disc of mass m slides down a smooth hill of height $h$ without initial velocity and gets onto a plank of mass $M$ lying on a smooth horizontal plane at the base of hill figure. Due to friction between the disc and the plank, disc slows down and finally moves as one piece with the plank. (a) Find ou... | 1 |
7. If the line joining the points $(0,3)$ and $(5,-2)$ is a tangent to the curve $y=\frac{c}{x+1}$, then the value of $c$ is
a. 1
b. -2
c. 4
d. None of these | 1 |
15. If $\vec{a}, \vec{b}, \vec{c}$ are three given non-coplanar vectors and any arbitrary vector $\vec{r}$ in space, where
$$
\begin{aligned}
& \Delta_{1}=\left|\begin{array}{lll}
\vec{r} \cdot \vec{a} & \vec{b} \cdot \vec{a} & \vec{c} \cdot \vec{a} \\
\vec{r} \cdot \vec{b} & \vec{b} \cdot \vec{b} & \vec{c} \cdot \vec... | 1 |
How many earthquakes occurred on March 5, 2012? | 0 |
7. A pump is required to lift $800 \mathrm{~kg}$ of water per minute from a $10 \mathrm{~m}$ deep well and eject it with speed of $20 \mathrm{~m} / \mathrm{s}$. The required power in watts of the pump will be
(a) 6000
(b) 4000
(c) 5000
(d) 8000 | 1 |
In addition to requiring less pasture, what distinguishes horses from oxen? | 0 |
31. A radioactive nuclide generally disintegrates by $\alpha$-emission when its N/P ratio is
(a) less than 1
(b) equal to one
(c) equal to 1.2
(d) greater than 1.5 | 1 |
22. A particle moves with deceleration along the circle of radius $R$ so that at any moment of time its tangential and normal accelerations are equal in moduli. At the initial moment $t=0$ the speed of the particle equals $v_{0}$, then, the speed of the particle as a function of velocity and distance covered $s$ will b... | 1 |
28. The colour of light absorbed by an aqueous solution of $\mathrm{CuSO}_{4}$ is:
(a) orange-red
(b) blue-green
(c) yellow
(d) violet | 1 |
If I take an iPad with me while I travel, if there is Wi-Fi in the airport or hotel, do I need to use data (have a data plan) or does it just use free Wi-Fi (free Internet) when I am in a Wi-Fi area? | 0 |
11. Pick out the isoelectronic structures from the following;
I. $\mathrm{CH}_{3}^{+} \quad$ II. $\mathrm{H}_{3} \mathrm{O}^{+} \quad$ III. $\mathrm{NH}_{3}$ IV $\mathrm{CH}_{3}^{-}$
(a) I and II
(b) III and IV
(c) I and III
(d) II, III and IV | 1 |
How can I create a company for fashion design in Saudi Arabia? And also I want to know how can I be an intelligent designer in clothes design? | 0 |
How can I prepare for the GATE? What is the best way to score marks to get into an IIT? | 0 |
Who pays for the flurry of activities involved in forming the new Trump government? | 0 |
10. Two charges $+Q$ each are fixed at points $C$ and $D$. Line $A B$ is the bisector line of $C D$. A third charge $+q$ is moved from $A$ to $B$, then from $B$ to $C$.
(a) From $A$ to $B$ electrostatic potential energy will decrease
(b) From $A$ to $B$ electrostatic potential energy will increase
(c) From $B$ to $C... | 1 |
Which traders came to the archipelago for trade? | 0 |
5. The probability that $X \geq 3$ equals
a. $125 / 216$
b. $25 / 36$
c. $5 / 36$
-d. $25 / 216$ | 1 |
18. If $\Delta=27$ and $a^{2}+b^{2}+c^{2}=2$, then
a. $3 p+2 q=0$
b. $4 p+3 q=0$
c. $3 p+q=0$
d. none of these | 1 |
Carvone, a substance responsible for the odor of spearmint,
spearmint, has the following structure. Tell how many hydrogens
are bonded to each carbon, and give the molecular formula of
carvone.Strategy
The end of a line r... | 1 |
2. Identify the correct molecular picture showing what happens at the critical micellar concentration (CMC) of an aqueous solution of a surfactant ( $O$ polar head, $m$ non-polar tail, $\bullet$ water).
$
]$ in medium, where the wave number $k$ and frequency $v$ refer to their values in air. The medium is non-m... | 1 |
How does being blind from birth affect your ability to learn? | 0 |
4. The equation of circle $C$ is
a. $(x-2 \sqrt{3})^{2}+(y-1)^{2}=1$
b. $(x-2 \sqrt{3})^{2}+\left(y+\frac{1}{2}\right)^{2}=1$
c. $(x-\sqrt{3})^{2}+(y+1)^{2}=1$
d. $(x-\sqrt{3})^{2}+(y-1)^{2}=1$ | 1 |
(b) ₹ 2000 | 1 |
2. Given that the equation $x^{2}-a x+3-b=0$ has two distinct real roots, $x^{2}+(6-a) x+6-b=0$ has two equal real roots, and $x^{2}+(4-a) x+5-b=0$ has no real roots. Then the ranges of a and b are
(a) $2<a<4,2<b<5$,
(b) $1<a<4,2<b<5$,
(c) $2<a<4,1<b<5$,
(d) $1<a<4,1<b<5$. | 1 |
What is the most hated race in Skyrim? | 0 |
What can I do to support and encourage the development of synthetic meat? | 0 |
8. 14.7 g of sulphuric acid was needed to dissolve 16.8 g of a metal. Calculate the equivalent weight of the metal and the volume of hydrogen liberated at NTP.
(56, 3.36 litres) | 1 |
34. Number of positional isomers of given compound with 6 membered aromatic ring are :
(A) 3
(B) 4
(C) 5
(D) 6 | 1 |
16. $\mathrm{DH}_{2} \mathrm{C}-\stackrel{\oplus}{\mathrm{C}} \mathrm{H}_{2}$ | 1 |
4.38 Describe the hybridisation in case of $\mathrm{PCl}_{5}$. Why are the axial bonds longer as compared to equatorial bonds? | 1 |
Is the dark side of the moon always dark? | 0 |
In what year did Muhammad bin Tughluq succeed the Delhi sultanate? | 0 |
What did the beginning of the 18th century mark the beginning of in Europe? | 0 |
How does Tinder work? | 0 |
Ex. 42. Calculate the equilibrium constant $K_{s p}$ for the reaction
$$
\mathrm{AgCl}(\mathrm{~s}) \rightleftharpoons \mathrm{Ag}^{+}(\mathrm{aq})+\mathrm{Cl}^{-}(\mathrm{aq})
$$
Using the data: $\Delta G_{f}^{0}(\mathrm{AgCl})=-109.7 \mathrm{~kJ}, \Delta G_{f}^{0}\left(\mathrm{Ag}^{+}\right)=77 \cdot 1 \mathrm{~kJ}... | 1 |
12. Three arrangements are shown in figure.
(A)
(B)
 it increases
(b) it remains constant
(c) it decreases
(d) first increases then remains constant | 1 |
What type of architecture did the Carolingian Empire bring back into use? | 0 |
Defloration: How does it feel for a girl to have a penis in her vagina for the first time? | 0 |
8. A solid sphere of radius $r$ made of a soft material of bulk modulus $K$ is surrounded by a liquid in a cylindrical container. A massless piston of area $a$ floats on the surface of the liquid, covering entire cross-section of cylindrical container. When a mass $m$ is placed on the surface of the piston to compress ... | 1 |
How could you turn a million dollars in to a billion in less than 20 years? | 0 |
18. In the circuit as shown in figure if all the symbols have their usual meanings, then identify the correct statement,
(a) $q_{2}=q_{3} ; V_{2}=V_{3}$
(b) $q_{1}=q_{2}+q_{3} ; V_{2}=V_{3}... | 1 |
Why did Vietnamization of the Vietnam War fail? | 0 |
How much mass does sound have? | 0 |
About when did architecture begin specializing? | 0 |
What are some animals in the Arthropoda group? | 0 |
What did Frued believe about the belief in God? | 0 |
18. A stationary uniform rod in the upright position is allowed to fall on a smooth horizontal surface. The figure shows the instantaneous position of the rod. Identify the correct statement.
(a) normal reaction $N$ is equal to $M g$
(b) $N$ does positive rotational work about the centre of mass
(c) a couple of equa... | 1 |
What would be a fair valuation of Facebook? | 0 |
Who did the East India Company appoint as Governor of Bengal? | 0 |
4. Consider the following nuclear reaction,
$$
X^{200} \rightarrow A^{110}+B^{90}+\text { Energy }
$$
If the binding energy per nucleon for $X, A$ and $B$ are $7.4 \mathrm{MeV}, 8.2 \mathrm{MeV}$ and $8.2 \mathrm{MeV}$ respectively, the energy released will be
(a) $90 \mathrm{MeV}$
(b) $110 \mathrm{MeV}$
(c) $200 \ma... | 1 |
20. The determinant $\left|\begin{array}{ccc}x p+y & x & y \\ y p+z & y & z \\ 0 & x p+y & y p+z\end{array}\right|=0$, if
(1997C, 2M)
(a) $x, y, z$ are in AP
(b) $x, y, z$ are in GP
(c) $x, y, z$ are in HP
(d) $x y, y z, z x$ are in $\mathrm{AP}$ | 1 |
The Newly Introduced 2000 Rupees and 500 Rupees notes are enabled with NGC Technology (Nano GPS Chip) ? Did any country introduced such currency? | 0 |
7. Electromagnets are made of soft iron because soft iron has
(a) high retentivity and high coercive force
(b) high retentivity and low coercive force
(c) low retentivity and high coercive force
(d) low retentivity and low coercive force. | 1 |
3.269. A small current-carrying loop is located at a distance $r$ from a long straight conductor with current $I$. The magnetic moment
of the loop is equal to $\mathbf{p}_{m}$. Find the magnitude and direction of the force vector applied to the loop if the vector $\mathbf{p}_{m}$
(a) is parallel to the straight conduc... | 1 |
How do I get an internship at Google? | 0 |
How do you know if you have found "the one"? | 0 |
He said he would love a relationship with me at the right time, but can't bring himself to have a relationship at the moment? | 0 |
What is Treaty of Paris about? | 0 |
Does your first love come back? | 0 |
I'm btech 1st year.I want to become an enterprenuer. What am I supposed to do? | 0 |
What is the one secret you would never tell anyone about except on Quora? | 0 |
What is androphilia used to describe? | 0 |
What can be the best definition for "life"? | 0 |
27. Which of the following facts about the chemical cell and concentration cell is correct?
(a) Chemical cell is an electrolytic cell whereas concentration cell is a galvanic cell.
(b) Chemical cell has an overall cell reaction whereas concentration cell has no overall reaction.
(c) Two half cells of both the chemical ... | 1 |
Where is panthera found? | 0 |
Http://www.fitclown.com/medi-wei... #medi #weight #loss #clinics #medicines #SEO #PBN? | 0 |
66. A bat emitting an ultrasonic wave of frequency $4.5 \times 10^{4} \mathrm{~Hz}$ flies at a speed of $6 \mathrm{~m} / \mathrm{s}$ between two parallel walls. Find the two frequencies heard by the bat and the beat frequency between the two. The speed of sound is $330 \mathrm{~m} / \mathrm{s}$. | 1 |
3. A simple pendulum of length $1 \mathrm{~m}$ is oscillating with an angular frequency $10 \mathrm{rad} / \mathrm{s}$. The support of the pendulum starts oscillating up and down with a small angular frequency of $1 \mathrm{rad} / \mathrm{s}$ and an amplitude of $10^{-2} \mathrm{~m}$. The relative change in the angular... | 1 |
What is the main difference between C, C++ and the D language? | 0 |
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