List of top Questions asked in MHT CET- 2026

Which from following statements is NOT true about homologous series?
What is IUPAC name of following compound?
Which of the following reactions is NOT an example of redox reaction?
Which of the following equations is used to obtain enthalpy change of a reaction?
\(V_0\) and \(V_t\) are volumes of an ideal gas at \(0 ^{\circ}\text{C}\) and \(t ^{\circ}\text{C}\) respectively, find ratio \(\frac{V_t}{V_0}\)
A system is provided 50 J of heat and work done on the system is 10 J. What is change in internal energy ?
Which from following salts does not undergo hydrolysis ?
Identify a molecule having highest dipole moment from following.
At \(25 ^{\circ}\text{C}\) standard enthalpy of combustion of \(\text{H}_2\), Cyclohexene and cyclohexane are -241, -3800 and -3920 kJ \(\text{mol}^{-1}\) respectively. What is the heat of hydrogenation of cyclohexene?
Calculate the number of molecules present in 2.24 \(\text{dm}^3\) of carbon dioxide at STP ?
What is uncertainty in velocity of an electron if uncertainty in measurement of position is 50 pm ? \((m_e = 9.1\times 10^{-31}\text{kg}, h = 6.63\times 10^{-34}\text{Js}, π = 3.142)\)
Which of the following elements belongs to group 2 and sixth period of periodic table?
The ratio of the density of oxygen nucleus \((_8^{16}\text{O})\) and helium nucleus \((_2^4\text{He})\) is
An electron makes a transition from an excited state to the ground state of a hydrogen like atom. Out of the following statements which one is correct ?
(A) K.E, P. E. and T.E. decreases
(B) K.E. increases but P. E. and T.E. decreases
(C) K.E. and T.E. decreases but P.E. increases
(D) K.E. decreases, P.E. increases but T.E. remains the same
Which of the following statement is NOT correct in the case of LED?
(A) It is a heavily doped p-n junction diode.
(B) It emits light only when it is forward biased.
(C) It emits light only when it is reverse biased.
(D) The energy of the light emitted is equal to or slightly less than the energy gap of the semiconductor used.
A photoemissive substance is illuminated with a radiation of wavelength \(λ_i\) so that it releases electrons with de-Broglie wavelength \(λ_e\). The longest wavelength of radiation that can emit photoelectron is \(λ_0\). Expression for de-Broglie wavelength is (m = mass of electron, h = Planck's constant, C = Speed of light)
In which of the logic gate the following statement is true? "The output is high when either of the inputs is high but not if both inputs are high"
Electrical conductivity of insulators is
A ray of light passes from the vacuum into a medium of refractive index 'n'. If the angle of incidence is twice the angle of refraction, then the angle of incidence in terms of refractive index is
A convex lens having refractive index 1.6 has focal length 12 cm, when it is in air. The focal length of that lens when placed in water is (refractive index of water = 1.28)
Three identical polaroids \(P_1\), \(P_2\) and \(P_3\) are placed one after another. The pass axis of \(P_2\) and \(P_3\) are inclined at angle of \(60^{\circ}\) and \(90^{\circ}\) with respect to axis of \(P_1\). The source has an intensity \(I_0\). The intensity of light finally coming out is
In Young's double slit experiment, two slits are illuminated with a light of wavelength \(λ\). The line joining \(A_1P\) is perpendicular to \(A_1A_2\) as shown in figure. If the first minimum is detected at P, the value of slits separation 'a' will be
(D = distance between source and screen)
When a light of wavelength '\(λ\)' falls on the emitter of a photosensitive surface, maximum speed of emitted photoelectrons is 'V'. If the incident wavelength is changed to '\(2λ/3\)', maximum speed of emitted photoelectrons will be
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 1H. The peak value of induced e.m.f. in the secondary coil is
(Frequency of a.c. = 50 Hz)
A graph of magnetic flux (\(\Phi\)) versus current (I) is shown for four inductors A, B, C, D. The smallest value of self inductance is for inductor.