1
IAT (IISER) 2024
MCQ (Single Correct Answer)
+4
-1
A conducting wire carrying a steady current $I$ is shaped as shown in the figure below. All connected graight segments meet at right angles. What is the magnetic moment of the current loop?


2
IAT (IISER) 2024
MCQ (Single Correct Answer)
+4
-1
Consider the shown circuit. The capacitors $C_1$ and $C_2$ have capacitances $2 \mu \mathrm{~F}$ and $8 \mu \mathrm{~F}$, respectively. The switch can connect point $X$ to either $Y$ or $Z$. Initially $X Y$ is connected until the capacitor is fully charged by the battery. Then the switch connects $X$ and $Z$, and the final charges on Cl and C 2 are $Q_1$ and $Q_2$, respectively. What is the value of the ratio $\frac{Q_2}{Q_1+Q_2}$ ?

3
IAT (IISER) 2024
MCQ (Single Correct Answer)
+4
-1
Atomic masses of two oxygen isotopes ${ }_8^{16} \mathrm{O}$ and ${ }_8^{18} \mathrm{O}$ are 15.99491 u and 17.99916 u , respectively, where $u$ is the atomic mass unit. Masses of protom and neutron are given by 1.00727 u and I .00866 u , respectively. The speed of light is c . What is the difference between the binding energies of ${ }_8^{18} \mathrm{O}{ }_8^{16} \mathrm{O}$ nuclei in units of $u c^2$ ?
4
IAT (IISER) 2024
MCQ (Single Correct Answer)
+4
-1
The refractive indices $(n)$ of two transparent slabs are 2 and $2 / \sqrt{3}$. They are attached together and placed in a third transparent medium of refractive index $\sqrt{2}$, as shown in the figure. The thickness of the upper slab is $I \mathrm{~cm}$. A monochromatic light ray is incident on the upper slab at $45^{\circ}$. What would be the thickness in cm of the lower slab such that the lateral shift of the ray after passing through both the slabs is zero?


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Total Questions
Biology
15
Chemistry
15
Mathematics
15
Physics
15
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