List of top Questions asked in MHT CET- 2026

Calculate the temperature of 2 moles of gas occupying a volume of 5.0 liters at 24.6 atmospheres?
(\(R = 0.0821\) L atm K\(^{-1}\) mol\(^{-1}\))
For a certain reaction \(\Delta H = -50\) kJ and \(\Delta S = -100\) J/K find the temperature so that the reaction is spontaneous.
Calculate the enthalpy change of the reaction,
\(\text{H}_2\text{(g)}+\text{Cl}_2\text{(g)}\rightarrow 2\text{HCl(g)}\)
if bond energies (kJ mol\(^{-1}\)):
H–H = 436, Cl–Cl = 242, H–Cl = 431
A weak monobasic acid is 0.04 % dissociated in 0.25 M solution. What is pH of the solution?
What is the relationship between the degree of dissociation of a weak base and its concentration?
Identify the type of hybridization of carbon that is attached to the OH group, in benzylic alcohol?
What is the atomic number of an element having \(ns^1\) electronic configuration and belonging to 3d transition series?
Which of the following pairs represents isobars?
The electronic configurations of elements are as-
\(A = 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2\)
\(B = 1s^2 2s^2 2p^6 3s^2 3p^5\)
Which of the following is formula of ionic compound that could be formed between these two elements A and B?
Which of the following contains maximum number of molecules?
In energy band diagram of insulators, a band gap and the conduction band is respectively
According to de-Broglie hypothesis, the ratio of the wave-length of a photon and that of an electron having same energy 'E' is (m = mass of electron, c = velocity of light)
Bohr model is applied to a particle of mass 'm' and charge 'q' moving in a plane under the influence of a transverse magnetic field B. The energy of the charged particle in the \(n^{th}\) level will be (h=Planck's constant)
In Bohr's theory of hydrogen atom, 'r' is the radius of the orbit, 'V' is the speed of electron and E is the total energy of the electron. Out of the following which physical quantity is inversely proportional to principal quantum number?
Photoelectrons are emitted from two similar metal plates when wavelengths \(λ_1\) and \(λ_2\) are incident on them (\(λ_1 = 1.5λ_2\)). If maximum kinetic energy of emitted photoelectrons is \(E_1\) and \(E_2\) respectively then
In the case of NAND gate, if A and B are inputs and Y is the output then
In common emitter mode of transistor, the d.c. current gain is \(20\), the emitter current is \(7\) mA. The collector current is
A thin prism in air produces the angle of minimum deviation \(δ\). If the prism is immersed in water, the angle of minimum deviation for the same ray is (refractive index of water is \(4/3\) and that of glass prism is \(3/2\))
In biprism experiment, the \(4^{th}\) dark band is formed opposite to one of the slits. The wavelength of light used is (D=distance between source and screen, d= the distance between the slits)
In Young's double slit experiment, in an interference pattern, a minimum is observed exactly in front of one slit. The distance between the two coherent sources is 'd' and 'D' is the distance between source and screen. The possible wavelengths used are inversely proportional to
Alternating current of peak value \((\frac{2}{π})\) A flows through the primary coil of a transformer. The coefficient of mutual inductance between primary and secondary coils is \(1\) H. The peak em.f. induced in secondary coil is (Frequency of a. c. is \(50\) Hz)
Converging lens of telescope \(5\) cm in diameter has focal length \(25\) cm. In the focal plane of the lens the distance between the centres of the Fraunhofer diffraction pattern is (wavelength of light used = \(5000\) Å, Rayleigh's criterion is satisfied)
A light bulb connected in series with a capacitor and an a.c.source is glowing with certain brightness. On reducing the value of capacitance and frequency respectively, the brightness of the bulb
A coil having 'n' turns and resistance 'R' is connected with a galvanometer of resistance '2R'. This combination is moved in time 't' from flux \(φ_1\) to \(φ_2\) Wb. The induced current in the circuit is
In series LCR circuit, resistance is \(18 \Omega\) and impedance \(33 \Omega\). An r.m.s. Voltage of \(220\) V is applied across the circuit. The true power consumed in a c. circuit is