NEET questions
18092 published questions with worked solutions.
- A photo-cell employs photoelectric effect to convert:-
- The core of a transformer is laminated because:-
- Two coils of self inductances 2 mH and 8 mH are placed so close together that the effective flux in one coil is completely linked...
- When photons of energy h fall on an aluminium plate (of work function E_0), photoelectrons of maximum kinetic energy K are...
- A coil of inductive reactance 31 has a resistance of 8 . It is placed in series with a condenser of capacity reactance 25 . The...
- The moment of inertia of a uniform circular disc of radius 'R' and mass 'M' about an axis touching the disc at its diameter and...
- The momentum of a photon of energy 1MeV in kg m/s, will be-
- The radius of Germanium (Ge) nuclide is measured to be twice the radius of ^9_4 Be . The number of nucleons in Ge are:-
- The molar specific heat at constant pressure of an ideal gas is ( 7 2 )R. The ratio of specific heat at constant pressure to that...
- The Earth is assumed to be a sphere of radius R. A platform is arranged at a height R from the surface of the Earth. The escape...
- Two sound waves with wavelength 5.0 m and 5.5 m respectively, each propagate in a gas with velocity 330 m/s. We expect the...
- Kirchhoff's first and second laws for electrical circuits are consequences of:-
- Above Curie temperature:-Not in JEE Advanced syllabus
- A convex lens and a concave lens, each having same focal length of 25 cm, are put in contact to form a combination of lenses. The...
- An electric dipole of moment p is lying along a uniform electric field E . The work done in rotating the dipole by 90^ is:-
- A parallel plate air capacitor is charged to a potential difference of V volts. After disconnecting the charging battery the...
- The vectors A and B are such that | A + B | = | A - B |. The angle between the two vectors is:-
- Two bodies, A(of mass 1kg) and B(of mass 3kg), are dropped from heights of 16 m and 25 m respectively. The ratio of the time...
- Identify the correct statement for change of Gibbs energy for a system ( G_ system ) at constant temperature and pressure:-
- A solution containing 10 g per dm ^3 of urea (molecular mass = 60 g mol ^ -1 ) is isotonic with a 5% solution of a nonvolatile...