JEE Main questions
34568 published questions with worked solutions.
- Let the centre of a circle, passing through the point (0, 0), (1, 0) and touching the circle x² + y² = 9, be (h, k). Then for all...
- Let A = 2, 3, 6, 7 and B = 4, 5, 6, 8 . Let R be a relation defined on A × B by (a₁, b₁) R (a₂, b₂) if and only if a₁ + a₂ = b₁ +...
- Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : The...
- Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : Work...
- Primary side of a transformer is connected to 230 V, 50 Hz supply. Turns ratio of primary to secondary winding is 10 : 1. Load...
- A current of 200 μA deflects the coil of a moving coil galvanometer through 60°. The current to cause deflection through π/10...
- Given below are two statements: Statements (I) : The limiting force of static friction depends on the area of contact and...
- A ball suspended by a thread swings in a vertical plane so that its magnitude of acceleration in the extreme position and lowest...
- Wheatstone bridge principal is used to measure of specific resistance (S₁) of given wire, having length L, radius r. If X is the...
- The total kinetic energy of 1 mole of oxygen at 27°C is [Use universal gas constant (R) = 8.31 J/mole K]
- During an adiabatic process, the pressure of a gas is found to be proportional to the cube of its absolute temperature. The ratio...
- Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : The...
- Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : In...
- The equation of state of a real gas is given by (P + a V^2 )(V - b) = RT, where P, V and T are pressure, volume and temperature...
- The atomic mass of ₆C¹² is 12.000000 u and that of ₆C¹³ is 13.003354 u. The required energy to remove a neutron from ₆C¹³, if...
- An object is placed in a medium of refractive index 3. An electromagnetic wave of intensity 6 × 10⁸ W/m² falls normally on the...
- When a Polaroid sheet is rotated between two crossed polaroids then the transmitted light intensity will be maximum for a...
- A closed organ pipe 150 cm long gives 7 beats per second with an open organ pipe of length 350 cm, both vibrating in fundamental...
- A body falling under gravity covers two points A and B separated by 80 m in 2 s. The distance of upper point A from the starting...
- Two charges of –4 μC and + 4 μC are placed at the point A(1, 0, 4) m and B(2, –1, 5) m located in an electric field E = 0.20 , i...