List of top Questions asked in NEET (UG)

The most suitable reagent for the following conversion, is:

Conjugate base for Brönsted acids \(H_2O\) and \( HF\) are

What is the correct electronic configuration of the central atom in \(K_4[Fe(CN)_6]\) based on crystal field theory?

A mass m is attached to a thin wire and whirled in a vertical circle. The wire is most likely to break when:

For a p-type semiconductor, which of the following statements is true?

For the second period elements the correct increasing order of first ionisation enthalpy is :

The correct structure of tribromooctaoxide is:

The method used to remove temporary hardness of water is : (1) (2) (3) (4)

Which colour of the light has the longest wavelength?

Which of the following species is not stable ?

Among the following, the one that is not a green house gas is

Among the following, the reaction that proceeds through an electrophilic substitution, is:

Which of the following diatomic molecular species has only bonds according to Molecular Orbital Theory?

An alkene \("A"\) on reaction with \(O_3\) and \(Zn - H_2{0}\) given propanone and ethanol in equimolar ratio. Addition of \(HCI\) to alkene \("A"\) gives. \("B"\)as the major product. The structure of product \("B"\) is : 

Which mixture of the solutions will lead to the formation of negatively charged colloidal [Agl]I- Sol.? (

Two particles \(A\) and \(B\) are moving in uniform circular motion in concentric circles of radii \(ra\) and \(rb\) with speed \(\upsilon_A\)and \(\upsilon_B\)respectively. Their time period of rotation is the same. The ratio of angular speed of \(A\) to that of \(B \)will be: 

When a block of mass \(M\) is suspended by a long wire of length \( L\), the length of the wire becomes \((L+l)\). The elastic potential energy stored in the extended wire is:

A particle moving with velocity \(\bar{V}\) is acted by three forces shown by the vector triangle \(PQR\). The velocity of the particle will:

Two parallel infinite line charges with linear charge densities \(+λ \frac Cm\) and \(-λ \frac Cm\) are placed at a distance of \(2R\) in free space. What is the electric field mid-way between the two line charges

The speed of a swimmer in still water is \(20 m/s\). The speed of river water is \(10 m/s\) and is flowing due east. If he is standing on the south bank and wishes to cross the river along the shortest path, the angle at which he should make his strokes w.r.t. north is given by:

In an experiment, the percentage of error occurred in the measurement of physical quantities A, B, C and Dare \(1\%, 2\%, 3\%\) and\( 4\%\) respectively. Then the maximum percentage of error in the measurement \(X\), where \(X =\frac{A^2B^{1/2}}{C^{1/3}D^3}\) will be:

Two point charges A and B, having charges. +Q and -Q respectively, are placed at certain distance apart and force acting between them is F. If 25% charge of A is transferred to B, then force between the charges becomes:

The correct Boolean operation represented by the circuit diagram drawn is :

A 800 turn coil of effective area \(0.05\ m^2\) is kept perpendicular to a magnetic field \( 5 \times 10^{-5} T.\) When the plane of the coil is rotated by \(90\degree\) around any of its coplanar axis in \(0.1 s\), the emf induced in the coil will be:

A cylindrical conductor of radius R is carrying a constant current. The plot of the magnitude of the magnetic field, B with the distance, d, from the centre of the conductor, is correctly represented by the figure :