1
JEE Main 2022 (Online) 29th July Morning Shift
Numerical
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One mole of a monoatomic gas is mixed with three moles of a diatomic gas. The molecular specific heat of mixture at constant volume is $$\frac{\alpha^{2}}{4} \mathrm{R} \,\mathrm{J} / \mathrm{mol} \,\mathrm{K}$$; then the value of $$\alpha$$ will be _________. (Assume that the given diatomic gas has no vibrational mode).

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2
JEE Main 2022 (Online) 29th July Morning Shift
Numerical
+4
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The current I flowing through the given circuit will be __________A.

JEE Main 2022 (Online) 29th July Morning Shift Physics - Current Electricity Question 78 English

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3
JEE Main 2022 (Online) 29th July Morning Shift
Numerical
+4
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A closely wounded circular coil of radius 5 cm produces a magnetic field of $$37.68 \times 10^{-4} \mathrm{~T}$$ at its center. The current through the coil is _________A.

[Given, number of turns in the coil is 100 and $$\pi=3.14$$]

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4
JEE Main 2022 (Online) 29th July Morning Shift
Numerical
+4
-1
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Two light beams of intensities 4I and 9I interfere on a screen. The phase difference between these beams on the screen at point A is zero and at point B is $$\pi$$. The difference of resultant intensities, at the point A and B, will be _________ I.

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