1
JEE Advanced 2023 Paper 1 Online
MCQ (Single Correct Answer)
+3
-1
Let $z$ be a complex number satisfying $|z|^3+2 z^2+4 \bar{z}-8=0$, where $\bar{z}$ denotes the complex conjugate of $z$. Let the imaginary part of $z$ be nonzero.
Match each entry in List-I to the correct entries in List-II.
The correct option is:
Match each entry in List-I to the correct entries in List-II.
List - I | List - II |
---|---|
(P) $|z|^2$ is equal to | (1) 12 |
(Q) $|z-\bar{z}|^2$ is equal to | (2) 4 |
(R) $|z|^2+|z+\bar{z}|^2$ is equal to | (3) 8 |
(S) $|z+1|^2$ is equal to | (4) 10 |
(5) 7 |
The correct option is:
2
JEE Advanced 2023 Paper 1 Online
MCQ (More than One Correct Answer)
+4
-2
A slide with a frictionless curved surface, which becomes horizontal at its lower end, is fixed on the terrace of a building of height $3 h$ from the ground, as shown in the figure. A spherical ball of mass $m$ is released on the slide from rest at a height $h$ from the top of the terrace. The ball leaves the slide with a velocity $\vec{u}_0=u_0 \hat{x}$ and falls on the ground at a distance $d$ from the building making an angle $\theta$ with the horizontal. It bounces off with a velocity $\vec{v}$ and reaches a maximum height $h_1$. The acceleration due to gravity is $g$ and the coefficient of restitution of the ground is $1 / \sqrt{3}$. Which of the following statement(s) is(are) correct?
3
JEE Advanced 2023 Paper 1 Online
MCQ (More than One Correct Answer)
+4
-2
A plane polarized blue light ray is incident on a prism such that there is no reflection from the surface of the prism. The angle of deviation of the emergent ray is $\delta=60^{\circ}$ (see Figure-1). The angle of minimum deviation for red light from the same prism is $\delta_{\min }=30^{\circ}$ (see Figure-2). The refractive index of the prism material for blue light is $\sqrt{3}$. Which of the following statement(s) is(are) correct?
4
JEE Advanced 2023 Paper 1 Online
MCQ (More than One Correct Answer)
+4
-2
In a circuit shown in the figure, the capacitor $C$ is initially uncharged and the key $K$ is open. In this condition, a current of $1 \mathrm{~A}$ flows through the $1 \Omega$ resistor. The key is closed at time $t=t_0$. Which of the following statement(s) is(are) correct?
[Given: $e^{-1}=0.36$ ]
[Given: $e^{-1}=0.36$ ]
Paper analysis
Total Questions
Chemistry
17
Mathematics
17
Physics
17
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