Practice questions
88551 published questions with worked solutions.
- If 1 [5] (x - 1)^4(x + 3)^6 dx = A ( x - 1 x + 3 )^B + C, where C is the constant of integration, then the value of α + β + 20AB...
- Match the C_p/C_V ratio for ideal gases with different type of molecules : List-I: (A) Monatomic (B) Diatomic rigid molecules (C)...
- Particle A of mass m_A= m 2 moving along the x-axis with velocity v_0 collides elastically with another particle B at rest having...
- On the x-axis and at a distance x from the origin, the gravitational field due to a mass distribution is given by Ax (x^2+a^2)^...
- A air bubble of radius 1 cm in water has an upward acceleration 9.8 cm s ^ -2 . The density of water is 1 gm cm ^ -3 and water...
- Choose the correct option relating wavelengths of different parts of electromagnetic wave spectrum :
- Starting from the origin at time t = 0, with initial velocity 5 j ms ^ -1 , a particle moves in the x-y plane with a constant...
- Dimensional formula for thermal conductivity is (here K denotes the temperature)
- The specific heat of water = 4200 J kg ^ -1 K ^ -1 and the latent heat of ice = 3.4 10^5 J kg ^ -1 . 100 grams of ice at 0ºC is...
- A small bar magnet placed with its axis at 30º with an external field of 0.06 T experiences a torque of 0.018 Nm. the minimum...Not in JEE Advanced syllabus
- A battery of 3.0 V is connected to a resistor dissipating 0.5 W of power. If the terminal voltage of the battery is 2.5 V, the...
- A beam of plane polarised light of large cross-sectional area and uniform intensity of 3.3 Wm ^ -2 falls normally on a polariser...
- In a compound microscope, the magnified virtual image is formed at a distance of 25 cm from the eye-piece. The focal length of...
- A closed vessel contains 0.1 mole of a monatomic ideal gas at 200 K. If 0.05 mole of the same gas at 400 K is added to it, the...
- A circular disc of mass M and radius R is rotating about its axis with angular speed _1. If another stationary disc having radius...
- On combustion Li, Na and K in excess of air, the major oxides formed, respectively, are-Not in JEE Main or NEET syllabus
- The elements with atomic numbers 101 and 104 belong to, respectively-
- The number of isomers possible for [ Pt(en)(NO_2)_2 ] is-
- The region in the electromagnetic spectrum where the Balmer series lines appear is-
- What are the functional groups present in the structure of maltose ?