Not considering the electronic |CHEMISTRY|JEE Advance 2015

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JEE Advance 2015

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Not considering the electronic spin, the degeneracy of the second excited state ( $n=3$ ) of H atom is 9 , while the degeneracy of the second excited state of $\mathrm{H}^{-}$is

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At room temperature $\left(27^{\circ} \mathrm{C}\right)$, the resistance of a heating element is $50 \Omega$. The temperature coefficient of the material...

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A force $\left(3 x^2+2 x-5\right) N$ displaces a body from $\mathrm{x}=2 \mathrm{~m}$ to $\mathrm{x}=4 \mathrm{~m}$. Work done by this force...

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Monochromatic light of wavelength 500 nm is used in Young's double slit experiment. An interference pattern is obtained on a...

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The resultant of two vectors $\overrightarrow{\mathrm{A}}$ and $\overrightarrow{\mathrm{B}}$ is perpendicular to $\overrightarrow{\mathrm{A}}$ and its magnitude is half that of $\vec{B}$....

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To determine the resistance $(\mathrm{R})$ of a wire, a circuit is designed below, The V-I characteristic curve for this circuit...

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A capacitor of reactance $4 \sqrt{3} \Omega$ and a resistor of resistance $4 \Omega$ are connected in series with an...

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A particle of mass 0.50 kg executes simple harmonic motion under force $\mathrm{F}=-50\left(\mathrm{Nm}^{-1}\right) \mathrm{x}$. The time period of oscillation is...

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A straight magnetic strip has a magnetic moment of $44 \mathrm{Am}^2$. If the strip is bent in a semicircular shape,...

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A real gas within a closed chamber at $27^{\circ} \mathrm{C}$ undergoes the cyclic process as shown in figure. The gas...

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UV light of 4.13 eV is incident on a photosensitive metal surface having work function 3.13 eV. The maximum kinetic...

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A proton and a deutron ( $\mathrm{q}=+\mathrm{e}, m=2.0 \mathrm{u}$ ) having same kinetic energies enter a region of uniform magnetic...

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