1
JEE Main 2024 (Online) 31st January Evening Shift
MCQ (Single Correct Answer)
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The mass of the moon is $$\frac{1}{144}$$ times the mass of a planet and its diameter is $$\frac{1}{16}$$ times the diameter of a planet. If the escape velocity on the planet is $$v$$, the escape velocity on the moon will be :

A
$$\frac{\mathrm{v}}{4}$$
B
$$\frac{\mathrm{v}}{6}$$
C
$$\frac{\mathrm{V}}{12}$$
D
$$\frac{\mathrm{v}}{3}$$
2
JEE Main 2024 (Online) 31st January Evening Shift
MCQ (Single Correct Answer)
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JEE Main 2024 (Online) 31st January Evening Shift Physics - Semiconductor Question 36 English

The output of the given circuit diagram is -

A
JEE Main 2024 (Online) 31st January Evening Shift Physics - Semiconductor Question 36 English Option 1
B
JEE Main 2024 (Online) 31st January Evening Shift Physics - Semiconductor Question 36 English Option 2
C
JEE Main 2024 (Online) 31st January Evening Shift Physics - Semiconductor Question 36 English Option 3
D
JEE Main 2024 (Online) 31st January Evening Shift Physics - Semiconductor Question 36 English Option 4
3
JEE Main 2024 (Online) 31st January Evening Shift
Numerical
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Two blocks of mass $$2 \mathrm{~kg}$$ and $$4 \mathrm{~kg}$$ are connected by a metal wire going over a smooth pulley as shown in figure. The radius of wire is $$4.0 \times 10^{-5} \mathrm{~m}$$ and Young's modulus of the metal is $$2.0 \times 10^{11} \mathrm{~N} / \mathrm{m}^2$$. The longitudinal strain developed in the wire is $$\frac{1}{\alpha \pi}$$. The value of $$\alpha$$ is _________. [Use $$g=10 \mathrm{~m} / \mathrm{s}^2$$]

JEE Main 2024 (Online) 31st January Evening Shift Physics - Properties of Matter Question 65 English

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4
JEE Main 2024 (Online) 31st January Evening Shift
Numerical
+4
-1
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A body of mass '$$m$$' is projected with a speed '$$u$$' making an angle of $$45^{\circ}$$ with the ground. The angular momentum of the body about the point of projection, at the highest point is expressed as $$\frac{\sqrt{2} m u^3}{X g}$$. The value of '$$X$$' is _________.

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