NEET 2001 Question Paper with Solutions

If the tension and diameter of a sonometer wire of fundamental frequency n is doubled and density is halved then its fundamental frequency will become

Two waves having equation \(x_1=a\sin(\omega t-kx+\phi_1)\), \(x_2=a\sin(\omega t-kx+\phi_2)\). If in the resultant wave the frequency and amplitude remain equal to amplitude of superimposing waves, the phase difference between them is

A child is sitting on a swing. Its minimum and maximum heights from the ground 0.75 m and 2 m respectively, its maximum speed will be

A particle is projected making an angle of \(45^\circ\) with horizontal having kinetic energy K. The kinetic energy at highest point will be

250 N force is required to raise 75 kg mass from a pulley. If rope is pulled 12 m then the load is lifted to 3 m. the efficiency of pulley system will be

A compound of molecular formula \(C_7H_{16}\) shows optical isomerism, compound will be

The incorrect IUPAC name is

Specific volume of cylindrical virus particle is \(6.02\times10^{-2}\ \text{cc/g}\) whose radius and length are 7 \(\text{\AA}\) and 10 \(\text{\AA}\) respectively. If \(N_A=6.02\times10^{23}\), find molecular weight of virus.

Correct relation between dissociation constants of a dibasic acid is

The following quantum numbers are possible for how many orbitals: n = 3, l = 2, m = +2?

Optical fibre are based on

Among which the magnetic susceptibility does not depend on the temperature?

Copper and silicon is cooled from 300 K to 60 K, the specific resistance

The given truth table is for which logic gate

A photo-cell is illuminated by a source of light, which is placed at a distance d from the cell. If the distance becomes d/2, then number of electrons emitted per second, will be

For the reaction; \(2N_2O_5\rightarrow 4NO_2+O_2\) rate and rate constant are \(1.02\times10^{-4}\) and \(3.4\times10^{-5}\ \text{sec}^{-1}\) respectively, then concentration of \(N_2O_5\) at that time will be

Intermediates formed during reaction of are

Which alkene on ozonolysis gives \(CH_3CH_2CHO\) and \(CH_3COCH_3\)?

Which of the following give positive Fehling solution test?

Standard electrode potentials are \(Fe^{2+}/Fe [E^\circ=-0.44]\) and \(Fe^{3+}/Fe^{2+} [E^\circ=0.77]\); If \(Fe^{2+}\), \(Fe^{3+}\) and Fe blocks are kept together, then