25 JEE Main 2021 Mathematics in Physics previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2021 previous-year questions from the Mathematics in Physics chapter of Physics. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Mathematics in Physics chapter hub.
A student determined Young's Modulus of elasticity using the formula Y = M g L 3 4 bd 3 δ . The value of g is take…
A physical quantity y is represented by the formula y = m 2 r - 4   g x l - 3 2 If the percentage errors found in…
The resistance R = V I , where V = 50 ± 2   V and I = 20 ± 0 . 2   A . The percentage error in R is…
What will be the projection of vector A → = i ^ + j ^ + k ^ on vector B → = i ^ + j ^   ?
The angle between vector ( A → ) and ( A → - B → ) is :
If the length of the pendulum in pendulum clock increases by 0 . 1 % , then the error in time per day is:
Three students S 1 ,   S 2 and S 3 perform an experiment for determining the acceleration due to gravity ( g ) usi…
The period of oscillation of a simple pendulum is T = 2 π L g . Measured value of L is 1 . 0   m from meter s…
Assertion   A : If A ,   B ,   C ,   D are four points on a semi-circular arc with a centre at O su…
Two vectors P → and Q → have equal magnitudes. If the magnitude of P → + Q → is n times the mag…
Log in to unlock the full list, track what you've solved, and practice on the TCS iON-style CBT player. It's free.