Recent questions tagged q59

In a cyclotron, a changed particle

asked Jul 29, 2015 by meena.p

1 answer

There are two current planer coils made each from identical wires of length L. $C_1$ is circular coil (radius R) and $C_2$ is square (side a). They are so constructed that they have same frequency of oscillation when they are placed in the same uniform magnetic field B and carry same current. Find a in term of R.

asked Jul 20, 2015 by meena.p

1 answer

Kirchhoff's first law obeys rule of conservation of charge Explain

asked Jun 30, 2015 by meena.p

1 answer

A system has two changes $q_A= 2.5 \times 10^{-7} C$and $q_B= -2.5 \times 10^{-7}\;C$ located at points $A( 0,0)\;-15 \;cm$ and $B(0,0,+15\;cm)$ and $B( 0,0,+15\;cm)$ respectively. What are the total change and electric dipole moment of the system ?

asked Apr 27, 2015 by meena.p

1 answer

Equation of the hyperbola with eccentricity $\large\frac{3}{2}$ and foci at $(\pm 2,0)$ is

asked Oct 17, 2014 by sreemathi.v

1 answer

Which of the following statement is not correct ?

asked Jul 27, 2014 by thanvigandhi_1

1 answer

Match the question given under Column $C_1$ with their appropriate answer given under the Column $C_2$ for the following : The equation of the line through the intersection of the lines 2x – 3y = 0 and4x – 5y = 2 and

asked Jul 9, 2014 by thanvigandhi_1

1 answer

True-or-False:To fill 12 vacancies there are 25 candidates of which 5 are from scheduled castes.If 3 of the vacancies are reserved for scheduled caste candidates while the rest are open to all,the number of ways in which the selection can be made is $5C_3\times 20C_9$

asked May 19, 2014 by sreemathi.v

1 answer

If for real values of $x\cos\theta=x+\large\frac{1}{x}$,then

asked Apr 22, 2014 by sreemathi.v

2 answers

The slope of the line touching both the parabolas $y^2 = 4x$ and $x^2 =- 32y$ is

asked Apr 7, 2014 by meena.p

1 answer

The sequence of how many nucleotides in messenger RNA makes a codon for amino acid

asked Mar 29, 2014 by thanvigandhi_1

1 answer

Standard entropy of $X_2, Y_2\: and\: XY_3$ are 60, 40 and 50 J/Kmol respectively. For the reaction, \[\] $ \large\frac{1}{2}$$ X_2 + Y_2 \rightarrow XY_3;\: \: \: \: \: \: \: \: \Delta H = -30\: kJ,$ \[\] to be at the equilibrium, the temperature will be

asked Mar 18, 2014 by thanvigandhi_1

1 answer

In Goldschmidt aluminothermic process, which of the following reducing agent is used

asked Mar 18, 2014 by meena.p

1 answer

The condensation polymer among the following is

asked Mar 11, 2014 by thanvigandhi_1

1 answer

The bond angle of $O-Xe-F$ in $XeOF_4$ is

asked Mar 6, 2014 by sreemathi.v

1 answer

The number of $\sigma$ and $\pi$ bonds in $1,3$-butadiene

asked Mar 5, 2014 by sreemathi.v

1 answer

What would be the major product of the following reaction

asked Mar 4, 2014 by sreemathi.v

1 answer

Phenol is less acidic than (i) acetic acid (ii) p-methoxyphenol (iii) p- nitrophenol (iv) ethanol

asked Feb 24, 2014 by meena.p

1 answer

The reactant that lead to products (A) and (B) on ozonolysis are

asked Feb 21, 2014 by sreemathi.v

1 answer

How many Faradays are required to reduce on mole of $MnO_4^-$ to $Mn^{+2}$

asked Feb 17, 2014 by sreemathi.v

1 answer

The initial value problem governing the current i following in an RL circuit when a step voltage of magnitude $\in$ is applied to circuit at $t=0$ is given by (R, L, t are constants ) $iR= \large\frac{Ldi}{dt} $$=\in, t > 0, i(0)=0$ Determine limiting value of i as $t \to \infty$

asked Feb 6, 2014 by meena.p

1 answer

Find the length of lactus Rectum for the parabola $y^2=4ax$?

asked Feb 6, 2014 by sreemathi.v

1 answer

What is the oxidation number of the central metal atom in the coordination compound $[Pt(NH_3)_3Cl]Cl?$

asked Feb 3, 2014 by sreemathi.v

1 answer

WHich of the following best describes the output of a full wave rectifier:

asked Jan 28, 2014 by meena.p

1 answer

Which of the following is less covalent?

asked Jan 28, 2014 by sreemathi.v

1 answer

The average weight of 25 boys was calculated to be 78.4 kg. It was later discovered that one weight was misread as 69 kg instead of 96 kg. The correct average is

asked Jan 25, 2014 by thanvigandhi_1

1 answer

When $H_2O_2$ reacts with chlorine the product obtained is

asked Jan 23, 2014 by sreemathi.v

1 answer

Which of the following is true for london smog?

asked Jan 21, 2014 by sreemathi.v

1 answer

The number of electrons with the azimuthal quantum number $l=1$ 1nd $l=2$ in ground state of $_{24}Cr$ is respectively :

asked Jan 13, 2014 by sreemathi.v

1 answer

If the position vector of the points $A\:and\:B$ are $\hat i-\hat j+3\hat k$ and $3\hat i+3\hat j+3\hat k$ and the equation of a plane is $\overrightarrow r.(5\hat i+2\hat j-7\hat k)+9=0$, then the points $A\:and\:B$ are?

asked Jan 4, 2014 by rvidyagovindarajan_1

1 answer

Insert k arithmetic means between 1 and $k^2$ . what is the resulting series?

asked Jan 3, 2014 by yamini.v

1 answer

$\lim\limits_{x\to \large\frac{\pi}{4}}\large\frac{\sqrt 2\cos x-1}{\cot x-1}$=

asked Dec 24, 2013 by sreemathi.v

1 answer

What volume of oxygen gas ($O_2$) measured at $0^{\circ}C$ and 1 atm, is needed to burn completely 1L of propane gas $(C_3H_8)$ measured under the same conditions?

asked Dec 16, 2013 by thanvigandhi_1

0 answers

For a gene with two alleles, if the gene frequency of the recessive gene is 0.2, what is the genotypic frequency of homozygous dominant ?

asked Dec 9, 2013 by thanvigandhi_1

0 answers

The joint between atlas and odontoid process of axis in rabbit is

asked Dec 2, 2013 by thanvigandhi_1

0 answers

The reactivity $Na_2O$ going to $K_2O$

asked Nov 28, 2013 by sreemathi.v

1 answer

The $pH$ of 0.1 M solution of $NH_4OH$ (having dissociation constant $K_b = 1.0 \times 10^{-5})$ is equal to

asked Nov 27, 2013 by mosymeow_1

1 answer

Ask Questions, Get Answers