JEE Main previous-year questionsEvery JEE Main PYQ,
solved on screen.
Short, animated, step-by-step video solutions — Physics, Chemistry and Maths. Watch the method, see the trap, download the worked PDF.
Latest solutions
An ideal battery of 4 V and resistance R are connected in series in the primary circuit of a potentiometer of length 1 m and resistance 5 Ω. The value of R, to give a potential difference of 5 mV across 10 cm of potentiometer wire, is:
A uniform disc of radius R and mass M rolls without slipping down an incline. Find the acceleration of its centre of mass.
For a first-order reaction, 75% of the reactant is consumed in 60 minutes. The half-life (in minutes) is:
Evaluate the definite integral of x·sin(x) from 0 to π.
An ideal gas undergoes an isothermal expansion. Which quantity remains zero for the process?
The number of unpaired electrons in [Fe(CN)6]³⁻ (low spin) is:
Watch the method
1–3 minute animated walk-throughs that teach the why, not just the answer.
Spot the trap
Every solution calls out the distractor the exam is testing you on.
Keep the PDF
Download the chapter-wise worked solution to revise offline.