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A current through a wire depends on time as i = α0t + βt2 where α0 = 20 A/s and β = 8 As-2. Find the charge crossed through a section of the wire in 15 s.

asked Mar 29, 2021 in Physics by Doubtly (98.9k points)

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Statement-I: Two photons having equal linear momenta have equal wavelengths. Statement-II: If the wavelength of a photon is decreased,

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Consider two satellites S1 and S2 with periods of revolution 1 hr and 8 hr respectively revolving around a planet in circular orbits.

asked Mar 29, 2021 in Physics by Doubtly (98.9k points)

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Four identical particles of equal masses 1 kg made to move along the circumference of a circle of radius 1 m under the action of their own mutual gravitational

asked Mar 29, 2021 in Physics by Doubtly (98.9k points)

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The integral int (2x^12+5x^9 /(x^5+x^3+x)^3) dx is equal to

asked Mar 28, 2021 in Uncategorized by Doubtly (98.9k points)

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A gas contained in a cylinder fitted with a frictionless piston expands against a constant external pressure of 1 atm from

asked Mar 28, 2021 in Chapter1:Rotational Dynamics by Doubtly (98.9k points)

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A resistor held in running water carries electric current. Treat the resistor as the system

asked Mar 28, 2021 in Chapter1:Rotational Dynamics by Topper11 (2.8k points)

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State and explain the first law of thermodynamics

asked Mar 28, 2021 in Chapter1:Rotational Dynamics by Topper11 (2.8k points)

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At what temperature will the rms speed of air molecules be double that NTP?

asked Mar 28, 2021 in Chapter1:Rotational Dynamics by Topper11 (2.8k points)

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How many chain isomers are possible in C5H12 , answer

asked Mar 27, 2021 in random by Doubtly (98.9k points)

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The empirical formula of a gaseous compound is CH2 .The density of the compound is 1.25 gm/lit.at S.T.P.

asked Mar 27, 2021 in random by Doubtly (98.9k points)

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Which of the following is a tautology ? A) (∼p)∧(p∨q)→q

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A block of mass m, lying on a smooth horizontal surface, is attached to a spring (of negligible mass) of spring constant k.

asked Mar 27, 2021 in Physics by Doubtly (98.9k points)

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The line x + y = 2 is tangent to the curve x2 = 3 - 2y at its point

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If sec 4θ − sec 2θ = 2, then find the general value of θ

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The greatest coefficient in the expansion of (1+x) 2n+2 is

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1 gram of a carbonate (M2CO3) on treatment with excess HCl produces 0.01186 mole of CO2, The molar mass of M2CO3 in g mol-1 is

asked Mar 27, 2021 in random by Doubtly (98.9k points)

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Select the correct stability order of the conformation /Rotamers/ Rotational isomers of Ethane Molecule

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If z1, z2 are complex numbers such that, 2z13z12z13z1is purely imaginary number, then finds |z1−z2z1+z2z1−z2z1+z2 |

asked Mar 27, 2021 in Chapter1:Rotational Dynamics by Doubtly (98.9k points)

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If z is a complex number, then the minimum value of |z| + |z − 1| is ______.

asked Mar 27, 2021 in Uncategorized by Doubtly (98.9k points)

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