List of top Questions asked in MHT CET

The value of the 'spin only' magnetic moment for one of the following configurations is \( 2.84 \, \mathrm{BM} \). The correct one is:
Tincture of iodine is the common name for:
In an unbiased \( p\)-\( n \) junction, electrons diffuse from \( n\)-region to \( p\)-region because:
Boron has two isotopes with atomic masses 10 and 11. If its average atomic mass is 10.81, the abundance of the lighter isotope is:
A particle is executing Simple Harmonic Motion (SHM). The ratio of potential energy and kinetic energy of the particle when its displacement is half of its amplitude will be:
The monomers of Buna-S rubber are:
A particle performs simple harmonic motion with amplitude \( A \). Its speed is tripled at the instant that it is at a distance \( \frac{2A}{3} \) from the equilibrium position. The new amplitude of the motion is:
Which of the following expressions correctly represents molar conductivity?

The number of \(\pi\)-bonds present in benzoic acid is:

If \( M \) is the mass of water that rises in a capillary tube of radius \( r \), then the mass of water which will rise in a capillary tube of radius \( 2r \) is:
The potential energy of a particle performing linear S.H.M is \( 0.1 \pi^2 x^2 \) joules. If the mass of the particle is \( 20 \, \mathrm{g} \), find the frequency of S.H.M:
The speed of a wave is \( 30 \, \mathrm{m/s} \). If the distance between 11 crests is \( 1 \, \mathrm{m} \), what is the frequency (in Hz)?
If \( n \) is the number density and \( d \) is the diameter of the molecule, then the average distance covered by a molecule between two successive collisions (i.e., mean free path) is represented by:
If \( p \) is the magnitude of linear momentum of a particle executing a uniform circular motion, then the ratio of centripetal force acting on the particle to its linear momentum is given by:
The fundamental frequency of a closed organ pipe of length \( 20 \, \mathrm{cm} \) is equal to the second overtone of an organ pipe open at both ends. What is the length of the organ pipe open at both ends?
Chlorobenzene reacts with Mg in dry ether to give a compound (\( A \)) which further reacts with ethanol to yield:
\( \sigma \) is the uniform surface charge density of a thin spherical shell of radius \( R \). The electric field at any point on the surface of the spherical shell is:
If the activation energy for the forward reaction is \( 150 \, \text{kJ/mol} \) and that of the reverse reaction is \( 260 \, \text{kJ/mol} \), what is the enthalpy change for the reaction?
Which of the following reactions will not give a primary amine?
A big drop is formed by coalescing 1000 small droplets of water. The surface energy will become:

A current-carrying rectangular loop PQRS is made of uniform wire. The length PR = QS = \( 5 \, \text{cm} \) and PQ = RS = \( 100 \, \text{cm} \). If the ammeter current reading changes from \( I \) to \( 2I \), the ratio of magnetic forces per unit length on the wire PQ due to wire RS in the two cases respectively \( F^{I}_{PQ} : F^{2I}_{PQ} \) is: 

People living at high altitudes often reported a problem of feeling weak and inability to think clearly. The reason for this is:
Which of the following has a non-zero dipole moment?
Which of the following represents the correct order of acidity in the given compounds?
Which of the following polymers is formed due to the co-polymerization of \( 1,3 \)-butadiene and phenylethene?