List of top Questions asked in MHT CET

The logic performed by the circuit shown in the figure is equivalent to: 

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:
The mass of proton, neutron, and helium nucleus are respectively \( 1.0073 \, \text{u}, 1.0087 \, \text{u}, \, 4.0015 \, \text{u} \). The binding energy of the helium nucleus is:
A series LCR circuit is subjected to an AC signal of \( 200 \, \text{V}, 50 \, \text{Hz} \). If the voltage across the inductor (\( L = 10 \, \text{mH} \)) is \( 31.4 \, \text{V} \), then the current in this circuit is:
When two soap bubbles of radii \( a \) and \( b \) (\( b>a \)) coalesce, the radius of curvature of the common surface is:
A liquid is allowed to flow into a tube of truncated cone shape. Identify the correct statement:
The velocity of sound in a gas in which two wavelengths \( 4.08 \, \text{m} \) and \( 4.16 \, \text{m} \) produce 40 beats in 12 seconds will be:
\( \sigma \) 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:

An electric field is given by \( \vec{E} = (6\hat{i} + 5\hat{j} + 3\hat{k}) \, \text{N/C} \). The electric flux through a surface area \( 30\hat{i} \, \text{m}^2 \) lying in the YZ-plane (in SI units) is:

A big drop is formed by coalescing 1000 small droplets of water. The surface energy will become:
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:
In \( \text{O}_2^- \), \( \text{O}_2 \), and \( \text{O}_2^{2-} \) molecular species, the total number of antibonding electrons respectively are:
People living at high altitudes often reported a problem of feeling weak and inability to think clearly. The reason for this is:
Specific conductance of \( 0.1 \, \text{M} \, \text{HNO}_3 \) is \( 6.3 \times 10^{-2} \, \text{ohm}^{-1} \, \text{cm}^{-1} \). The molar conductance of the solution is:
The rate constant for a first-order reaction whose half-life is 480 seconds 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?
For \( \text{As}_2\text{S}_3 \) sol, the most effective coagulating agent is:
Element not showing variable oxidation state is:
Which of the following arrangements does not represent the correct order of the property stated against it?

The IUPAC name for the complex \( [\text{Co}(\text{ONO})(\text{NH}_3)_5]\text{Cl}_2 \) is

Which of the following compounds will give racemic mixture on nucleophilic substitution by \( \text{OH}^- \) ion? \includegraphics[width=5cm]{71.png}
Which one of the following is not correct for an ideal solution?
For the relation \( \Delta_r G = -nF E_\text{cell} \), \( E_\text{cell} = E^\circ_\text{cell} \), in which of the following conditions?
Which one of the lanthanoids given below is the most stable in divalent form?
The value of the 'spin only' magnetic moment for one of the following configurations is \( 2.84 \, \mathrm{BM} \). The correct one is: