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Derive the expression Coulomb's Law in Vector form.

asked Dec 25, 2021 in CBSE by kritika (90.1k points)

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Analysis shows that nickel oxide has the formula Ni_0.98 $\mathrm{O}_{1.00}$. What fractions of the nickel exist as $\mathrm{Ni}^{2+}$ and $\mathrm{Ni}^{3+}$ ions?

asked Dec 25, 2021 in CBSE by kritika (90.1k points)

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Evaluate: $\int \frac{(1-3 x)}{\left(3 x^{2}+4 x+2\right)} d x$ $$ \int(1-3 x) /\left(3 x^{2}+4 x-2\right) d x $$

asked Dec 25, 2021 in CBSE by kritika (90.1k points)

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Which of these about a dictionary is false?

asked Dec 25, 2021 in CBSE by kritika (90.1k points)

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Find the force of attraction between the plates of a parallel plate capacitor.

asked Dec 25, 2021 in CBSE by kritika (90.1k points)

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State and explain work energy theorem

asked Dec 25, 2021 in CBSE by kritika (90.1k points)

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What does "this circumstance" refer to?

asked Dec 25, 2021 in English by kritika (90.1k points)

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The product of two consecutive natural numbers is always ______

asked Dec 25, 2021 in CBSE by kritika (90.1k points)

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Add a clause to expand the sentence meaningfully: She did not know ____

asked Dec 25, 2021 in English by kritika (90.1k points)

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A plane electromagnetic wave of frequency $25 \mathrm{MHz}$ travels in free space along the $x$ direction. At a particular point in space and time $E \rightarrow=6.3 \mathrm{j} \wedge \mathrm{Vm}^{-1}$ then $\mathrm{B} \rightarrow$ at this point is

asked Dec 25, 2021 in Kinematics by kritika (90.1k points)

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The work function of caesium is 2.14 eV. Find (a) the threshold frequency for caesium and (b) the wavelength of incident light if the photocurrent is brought to zero by a stopping potential of 0.60 V.

asked Dec 25, 2021 in CBSE by kritika (90.1k points)

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Write any five differences between chondricthyes and osteichthyes

asked Dec 25, 2021 in CBSE by kritika (90.1k points)

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What made the woman in the control centre look at the narrator strangely?

asked Dec 25, 2021 in English by kritika (90.1k points)

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Choose the correct option

asked Dec 25, 2021 in CBSE by kritika (90.1k points)

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A gas at 350 K and 15 bar has molar volume 20 percent smaller than that for an ideal gas under the same conditions. The correct option about the gas and its compressibility factor (Z) is :

asked Dec 25, 2021 in Kinematics by kritika (90.1k points)

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A long solenoid has 200 turns per $\mathrm{cm}$ and carries a current i. The magnetic field at its centre is $6.28 \times 10^{-2}$ weber $/ \mathrm{m}^{2}$. Another long solenoid has 100 turns per $\mathrm{cm}$ and it carries a current $\mathrm{i} / 3$. The value of the magnetic field at its centre is

asked Dec 25, 2021 in Kinematics by kritika (90.1k points)

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Why did Lencho go out when it started raining?

asked Dec 25, 2021 in English by kritika (90.1k points)

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2 answers

In angiosperms, microsporogenesis and megasporogenesis

asked Dec 25, 2021 in CBSE by kritika (90.1k points)

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3 answers

State two ways to prevent the rusting of iron.

asked Dec 25, 2021 in CBSE by kritika (90.1k points)

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136 answers

Describe the achievements of Harshavardhana.

asked Dec 25, 2021 in Social Science by kritika (90.1k points)

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