JEE MAIN - 2023 Questions

Question: 1

The weight of a body at the surface of earth is 18 N. The weight of the body at an altitude of 3200 km above the earth's surface is (Given, radius of earth $R_e$ = 6400 km )

Question: 2

The maximum vertical height to which a man can throw a ball is 136 m. The maximum horizontal distance upto which he can throw the same ball is

Question: 3

A 100 m long wire having cross-sectional area $6.25 × 10^{−4} m^2$ and Young's modulus is $10^{10}Nm^{−2}$ is subjected to a load of 250 N, then the elongation in the wire will be

Question: 4

A circular loop of radius 𝑟 is carrying current I A. The ratio of magnetic field at the center of circular loop and at a distance 𝑟 from the center of the loop on its axis is