Get chapter-wise JEE Main & Advanced questions with solutions
QJEE MAIN
To project a body of mass m from earth's surface to infinity, the required kinetic energy is (assume, the radius of earth is $\mathrm{R}_{\mathrm{E}}, \mathrm{g}=$...
JEE MainPhysicsMedium
View Solution →
QJEE MAIN 2024
The density and breaking stress of a wire are 6× 〖10〗^4 " " kg/m^3 and 1.2×〖10〗^8 " " N/m^2 respectively. The wire is suspended from...
JEE MainPhysicsMedium
View Solution →
QJEE MAIN 2024
A group of 40 students appeared in an examination of 3 subjects - Mathematics, Physics & Chemistry. It was found that all students passed in...
JEE MainMathematicsHard
View Solution →
QJEE MAIN 2024
Three blocks M_1,M_2,M_3 having masses 4 kg,6 kg and 10 kg respectively are hanging from a smooth pully using rope 1,2 and 3 as shown...
JEE MainPhysicsEasy
View Solution →
QJEE-Main 2024
If the Coefficient of $x^{30}$ in the expansion of $\left(1+\frac{1}{x}\right)^6\left(1+x^2\right)^7\left(1-x^3\right)^8 ; x \neq 0$ is $\alpha$, then $|\alpha|$ equals
JEE MainMathematicsHard
View Solution →
QJEE MAIN 2024
The magnetic field existing in a region is given by $\vec{B}=0.2(1+2 x) \hat{k} T$. A square loop of edge 50 cm carrying 0.5 A current...
JEE MainPhysicsEasy
View Solution →
QJEE MAIN 2024
If the integral $525 \int_0^{\frac{\pi}{2}} \sin 2 x \cos ^{\frac{11}{2}} x\left(1+\cos ^{\frac{5}{2}} x\right)^{\frac{1}{2}} d x$ is equal to $(n \sqrt{2}-64)$, then $n$ is equal to
JEE MainMathematicsMedium
View Solution →
QJEE MAIN
The ratio of the shortest wavelength of Balmer series to the shortest wavelength of Lyman series for hydrogen atom is :
JEE MainPhysicsMedium
View Solution →
QJEE MAIN
A particle is moving in one dimension (along x axis) under the action of a variable force. It's initial position was 16" " m right...
JEE MainPhysicsMedium
View Solution →
QJEE MAIN
A bullet of mass 50 g is fired with a speed 100m/s on a plywood and emerges with 40 m/s. The percentage loss of kinetic...
Hello 👋 Welcome to Competishun – India’s most trusted platform for JEE & NEET preparation. Need help with JEE / NEET courses, fees, batches, test series or free study material? Chat with us now 👇