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32 (60) The current-carrying wire loop in Fig. 29-60a lies all in one plane and consists of a semicircle of radius 10.0 cm , a smaller semicircle with the same center, and two radial lengths. The smaller semicircle is rotated out of that plane by angle $\theta$, until it is perpendicular
Figure 29-59 Problem 31.
to th... | 1 |
51. If one side of a rhombus has end points $(4,5)$ and $(1,1)$ then the maximum area of the rhombus is
a. 50 sq. units
b. 25 sq. units
c. 30 sq. units
d. 20 sq. units | 1 |
What are the best chicken recipes for a crock pot? | 0 |
What should I do to improve my spoken English? | 0 |
What are the people like in Rio de Janeiro? | 0 |
In what centuries did fiefs become hereditary? | 0 |
What does MIlton Diamond say about the terms heterosexual, homosexual, and bisexual? | 0 |
7. Which of the following quantities are always positive in a simple harmonic motion?
(a) $\vec{F} \cdot \vec{a}$.
(b) $\vec{v} \cdot \vec{r}$.
(c) $\vec{a} \cdot \vec{r}$.
(d) $\vec{F} \cdot \vec{r}$. | 1 |
What sum at compound interest will amount to rs. 5305.53 in 3years, if the rate of interest is 1%for 1st year, 2% for 2nd year and 3%for 3rd year? | 0 |
How can you reduce the motion blur on GIMP, and why is this useful? | 0 |
Which are the best Drug or Alcohol Rehab, Detox and Recovery Program Centers in the Merced County California area? | 0 |
What is the best inventory management software for a store? | 0 |
What does it mean for the LGBT people who are in a double monority? | 0 |
1.44. A wheel rotates around a stationary axis so that the rotation angle $\varphi$ varies with time as $\varphi=a t^{2}$, where $a=0.20 \mathrm{rad} / \mathrm{s}^{2}$. Find the total acceleration $w$ of the point $A$ at the rim at the moment $t=2.5 \mathrm{~s}$ if the linear velocity of the point $A$ at this moment $v... | 1 |
Why is WhatsApp more famous than other free messaging apps like Hike, BBM, Facebook Messenger, We Chat, etc.? | 0 |
The Suez Canal became neutral territory by what treaty? | 0 |
Is it good to have sex everyday? | 0 |
4. Electromagnetic waves are produced by
(a) a static charge
(b) a moving charge
(c) an accelerating charge
(d) chargeless particles. | 1 |
What is the best music player or software for PC? | 0 |
What belief has many gods? | 0 |
25. Four point charges $A, B, C$ and $D$ are placed at the four corners of a square of side $a$. The energy required to take the charges $C$ and $D$ to infinity (they are also infinitely separated from each other) is
 What is the amplitude of the oscillation? | 1 |
6. Which of the following is 3 -bromo-4-nitro toluene?
(A)
(B)
... | 1 |
26. All possible values of $y$ are
a. $\left(-\frac{1}{9}, \infty\right)$
b. $\left(-\frac{1}{27},+\infty\right)$
c. $\left(\frac{2}{9},+\infty\right)$
d. none of these | 1 |
What does the amygdala region of the brain do? | 0 |
How do you say ''Thank you for the help on my spanish test'' in spanish? | 0 |
Ex. 5. $3.011 \times 10^{23}$ molecules of a gas weigh 14 g . Calculate the molecular weight of the gas. | 1 |
How often do serialized comics typically appear in Japanese magazines? | 0 |
49. For a first order reaction $A(\mathrm{~g}) \rightarrow 2 B(\mathrm{~g})+C(\mathrm{~g})$ at constant volume and $300 \mathrm{~K}$, the total pressure at the beginning $(t=0)$ and at time $t$ are $P_{0}$
and $P_{t}$, respectively. Initially, only $A$ is present with concentration $[A]_{0}$, and $t_{1 / 3}$ is the t... | 1 |
Ex. 49.1 g of a monobasic acid when dissolved in 100 g of water lowers the freezing point by $0 \cdot 168^{\circ} \mathrm{C} .0 .2 \mathrm{~g}$ of the same acid when dissolved and titrated required $15 \cdot 1 \mathrm{~mL}$ of N/10 alkali. Calculate the degree of dissociation of the acid. ( $K_{f}$ for water is 1.86 ) | 1 |
We were in a LDR but we cut it out. Now we chat as friends. I don't actually know what I feel for him. How can I make up my mind? What should I do? | 0 |
(iii)
 | 1 |
Which entity decided to partition Palestine into Jewish and Arab states? | 0 |
7. The refining method used when the metal and the impurities have low and high melting temperatures, respectively, is:
(a) liquation
(b) vapour phase refining
(c) zone refining
(d) distillation | 1 |
2. Two waves from coherent sources meet at a point in a path difference of $\Delta x$. Both the waves have same intensities. Match the following two columns.
| Column I | | Column II | |
| :--- | :--- | :--- | :--- |
| (a) | If $\Delta x=\lambda / 3$ | (p) | Resultant intensity will become <br> three times |
| (b) |... | 1 |
Example 6.28 If the sum of the coefficients in the expansion of $\left(\alpha^{2} x^{2}-2 \alpha x+1\right)^{51}$ vanishes, then find the value of $\alpha$. | 1 |
Ex. 76. 500 mL of 0.2 M aqueous solution of acetic acid is mixed with 500 mL of 0.2 M HCl at $25^{\circ} \mathrm{C}$
(i) Calculate the degree of dissociation of acetic acid in the resulting solution and pH of the solution.
(ii) If 6 g of NaOH is added to the above solution, determine the final pH .
(Assume there is no ... | 1 |
19. If doubling the initial concentration of a reactant doubles $t_{\frac{1}{2}}$ of the reaction, the order of the reaction is
(a) 3
(b) 2
(c) 1
(d) 0 | 1 |
How is Fatwa relevant in a country like India where there is constitution and rule of law? | 0 |
Why do Islamist terrorists cover their faces? | 0 |
7. After $10 \mathrm{~s}$ of the start of motion of both objects $A$ and $B$, find the value of velocity of $A$ if $u_{A}=6 \mathrm{~ms}^{-1}, u_{B}=12 \mathrm{~ms}^{-1}$ and at $T$ velocity of $A$ is $8 \mathrm{~ms}^{-1}$ and $T=4 \mathrm{~s}$
(a) $12 \mathrm{~ms}^{-1}$
(b) $10 \mathrm{~ms}^{-1}$
(c) $15 \mathrm{~ms}^... | 1 |
What newspaper stopped publishing in 2007? | 0 |
What are the strongest arguments for and against the war on drugs? | 0 |
47. A particle moves in a circle of diameter $1.0 \mathrm{~cm}$ under the action of a magnetic field of $0.40 \mathrm{~T}$. An electric field of $200 \mathrm{~V} \mathrm{~m}^{-1}$ makes the path straight. Find the charge/mass ratio of the particle. | 1 |
How accurate is World of Warships? | 0 |
12. Which of the following compounds does not exhibit geometric isomerism :
(A) 1,1-Dichloro-2-butene
(B) 1,2-Dichloro-2-butene
(C) 1,1-Dichloro-1-butene
(D) 2,3-Dichloro-2-butene. | 1 |
In what century did the Nationalistic revolutions occur? | 0 |
What is a major implication of the Erie doctrine? | 0 |
How do I start my own website? | 0 |
17. Which of the following has the highest normality?
(a) $1 \mathrm{M} \mathrm{H}_{2} \mathrm{SO}_{4}$
(b) $1 \mathrm{M} \mathrm{H}_{3} \mathrm{PO}_{3}$
(c) $1 \mathrm{M} \mathrm{H}_{3} \mathrm{PO}_{4}$
(d) $1 \mathrm{M} \mathrm{HNO}_{3}$ | 1 |
I have finished my class 10 course, thoroughly revised it. I am a JEE advanced aspirant and knows basics of class 11 and 12. What should I do in now? | 0 |
8. $A B C D$ a parallelogram, and $A_{1}$ and $B_{1}$ are the midpoints of sides $B C$ and $C D$, respectively. If $\overrightarrow{A A}_{1}+\overrightarrow{A B}_{1}=\lambda \overrightarrow{A C}$, then $\lambda$ is equal to
a. $\frac{1}{2}$
b. 1
c. $\frac{3}{2}$
d. 2 | 1 |
45. The spin magnetic moment of cobalt in the compound $\mathrm{Hg}\left[\mathrm{Co}(\mathrm{SCN})_{4}\right]$
[2007]
[2004S]
(a) $\sqrt{3}$
(b) $\sqrt{8}$
(c) $\sqrt{15}$
(d) $\sqrt{24}$ | 1 |
* 60 A certain electric dipole is placed in a uniform electric field $\vec{E}$ of magnitude 40 N/C. Figure 22-63 gives the magnitude $\tau$ of the torque on the dipole versus the angle $\theta$ between field $\vec{E}$ and the dipole moment $\vec{p}$. The vertical axis scale is set by $\tau_{s}=100 \times 10^{-28} \math... | 1 |
Are there any benefits of sleeping nude? | 0 |
4. If the magnetic moment of a dioxygen species is 1.73 B.M, it may be:
(a) $\mathrm{O}_{2}^{-}$ or $\mathrm{O}_{2}^{+}$
(b) $\mathrm{O}_{2}$ or $\mathrm{O}_{2}^{+}$
(c) $\mathrm{O}_{2}$ or $\mathrm{O}_{2}^{-}$
(d) $\mathrm{O}_{2}, \mathrm{O}_{2}^{-}$ or $\mathrm{O}_{2}^{+}$ | 1 |
What are the main reasons why students from Queens College, CUNY don't graduate on time? | 0 |
25. In a buffer solution of a weak acid and its salt, if the ratio of the concentration of the salt to that of the acid is increased ten times, the pH of the buffer
(a) increase by 1
(b) increases 10 times
(c) decreases 10 times
(d) decreases by 1 | 1 |
9. If $(1+x)^{2 n}=a_{0}+a_{1} x+a_{2} x^{2}+\ldots+a_{2 n} x^{2 n}$ then find the value of $\left(1+\frac{a_{1}}{a_{0}}\right)\left(1+\frac{a_{2}}{a_{1}}\right)\left(1+\frac{a_{3}}{a_{2}}\right) \ldots \ldots . .\left(1+\frac{a_{2 n}}{a_{2 n-1}}\right)$
(a) $\frac{n^{n}}{2 n!}$
(b) $\frac{(2 n+1)^{2 n}}{2 n!}$
(c) $\f... | 1 |
Which comic book had success with its first superhero in 1938? | 0 |
4.190. A plane electromagnetic wave falls at right angles to the surface of a plane-parallel plate of thickness $l$. The plate is made of non-magnetic substance whose permittivity decreases exponentially from a value $\varepsilon_{1}$ at the front surface down to a value $\varepsilon_{2}$ at the rear one. How long does... | 1 |
When was New Zealand discovered by the Dutch? | 0 |
(a) What is the wavelength of the wave? | 1 |
In what century was the horrific wars? | 0 |
15. The oxidation states of the most electronegative element in the products of the reaction, $\mathrm{BaO}_{2}$ with dil. $\mathrm{H}_{2} \mathrm{SO}_{4}$ is
(a) 0 and -1
(b) -1 and -2
(c) -2 and 0
(d) -2 and +1 | 1 |
How do the Jains perceive, feel, understand, view, believe, and/or opine, about Dalits, Shudras, and Dasa? | 0 |
Example 3.52 Discuss the differentiability of 2 $$
f(x)=\sin ^{-1} \frac{2 x}{1+x^{2}}
$$ | 1 |
If x+1/x=1 then what does (x+1)^5+1/(x+1)^5 equal? | 0 |
What hotel in Jaipur would be safe for unmarried couples, without the harassment of police, hotel staff, and moral police? | 0 |
74. The locus of the centre of a circle which cuts orthogonally the parabola $y^{2}=4 x$ at $(1,2)$ will pass though points
a. $(3,4)$
b. $(4,3)$
c. $(5,3)$
d. $(2,4)$ | 1 |
Name the two people who's concepts of universal rights influenced the Whigs. | 0 |
What makes India different from the rest of the world? | 0 |
What is the difference between REST and SOAP? | 0 |
How does the temperature affect floats? | 0 |
What does The Wizard of Oz look like? | 0 |
What did Space Binding make possible for the ancient Egyptian civilizations? | 0 |
31. Consider the following cell reaction
$$
2 \mathrm{Fe}(\mathrm{~s})+\mathrm{O}_{2}(\mathrm{~g})+4 \mathrm{H}^{+}(\mathrm{aq}) \rightarrow 2 \mathrm{Fe}^{2+}(\mathrm{aq})+2 \mathrm{H}_{2} \mathrm{O}(\mathrm{l})
$$
At $\left[\mathrm{Fe}^{2+}\right]=10^{-3} \mathrm{M}, \mathrm{p}\left(\mathrm{O}_{2}\right)=0.1 \mathr... | 1 |
I like a girl who has a boyfriend and really likes him. What do I do? | 0 |
Why do we have to suffer in life? | 0 |
How can I get a perfect score on the new SAT? | 0 |
How did the Red red Army overcome their foes? | 0 |
What are the best SEO techniques? | 0 |
How do you send weed through the mail? | 0 |
6. Copper is purified by electrolytic refining of blister copper. The correct statement(s) about this process is(are)
(a) Impure $\mathrm{Cu}$ strip is used as cathode
(b) Acidified aqueous $\mathrm{CuSO}_{4}$ is used as electrolyte
(c) Pure $\mathrm{Cu}$ deposits at cathode
(d) Impurities settle as anode-mud | 1 |
How is dark/vacuum energy created with the universe conserved if it is not conserved? Can infinite of these be created? | 0 |
How many hours a week do Microsoft employees work? | 0 |
What does 'is' mean? | 0 |
1. As the mass number $A$ increases, which of the following quantities related to a nucleus do not change?
(a) Mass
(b) Volume
(c) Density
(d) Binding energy | 1 |
14. Vapour pressure of pure benzene is 119 torr and that of toluene is 37.0 torr at the same temperature. Mole fraction of toluene in vapour phase which is in equilibrium with a solution of benzene and toluene having a mole fraction of toluene 0.50 , will be :
(a) 0.137
(b) 0.237
(c) 0.435
(d) 0.205 | 1 |
6. The correct IUPAC name of the following compound is:
(a) 5-chloro-4-methyl-1-nitrobenzene
(b) 2-chloro-1-methyl-4-nitrobenzene
(c) 3-chloro-4-methyl-1-nitrobenzene
(d) 2-methyl-5-nitro-1-chlorobenzene | 1 |
1 A spaceship orbits around a planet at a height of $20 \mathrm{~km}$ from its surface. Assuming that only gravitational field of the planet acts on the spaceship, what will be the number of complete revolutions made by the spaceship in 24 hours around the planet?
[Take, mass of planet $=8 \times 10^{22} \mathrm{~kg}... | 1 |
2. In the following reactions, products (A) and (B), respectively, are:
$\mathrm{NaOH}+\mathrm{Cl}_{2} \rightarrow(\mathrm{A})+$ side products (hot and conc.)
$\mathrm{Ca}(\mathrm{OH})_{2}+\mathrm{Cl}_{2} \rightarrow(\mathrm{B})+$ side products (dry)
(a) $\mathrm{NaClO}_{3}$, and $\mathrm{Ca}(\mathrm{OCl})_{2}$
(... | 1 |
Who was discovered to be selling peerages? | 0 |
What is your New Year’s Resolution(s) for 2017? | 0 |
9. A car travelling towards a hill at $10 \mathrm{~m} / \mathrm{s}$ sounds its horn which has a frequency $500 \mathrm{~Hz}$. This is heard in a second car travelling behind the first car in the same direction with speed $20 \mathrm{~m} / \mathrm{s}$. The sound can also be heard in the second car by reflection of sound... | 1 |
What is better for driving in snow, AWD or front wheel drive with snow tires? | 0 |
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