List of top Questions asked in MHT CET

What is the source of an alkane if its molar mass is 100 and the percentage by mass of hydrogen is 16?
Which of the following metal carbonate decomposes on heating to evolve CO\(_2\) gas?
Identify the side chain –R present in amino acid lysine.
Which of the following properties is NOT of actinoids?
Reaction given below follows first order kinetics.
2N\(_2\)O\(_5\) \(\rightarrow\) 4NO\(_2\) + O\(_2\)
Calculate rate constant of reaction if concentration of N\(_2\)O\(_5\) is 0.05 M and rate of reaction is \(1.5 \times 10^{-6}\) mol L\(^{-1}\) s\(^{-1}\).
Which of the following functional groups is reduced by diborane?
How many atoms of argon are present in 3.99 g of it? (atomic mass = 39.9)
Which of the following molecule has zero bond order?
Identify the number of carbon atoms and number of oxygen atoms respectively present in furan molecule.
Acetoxime on catalytic reduction gives
A metal sphere is hanging from the ceiling of a vehicle. If the vehicle is moving along a horizontal road with uniform acceleration \(a\), then the suspended thread of the sphere gets inclined to the vertical at an angle \(\theta\). The value of acceleration \(a\) is (\(g\) = acceleration due to gravity)
Light of wavelength \(\lambda\) strikes a photoelectric surface and electrons are ejected with energy \(E\). If the wavelength is changed to \(\lambda'\), the energy becomes twice the original value. Which one of the following relations is true for \(\lambda\) and \(\lambda'\)?
Capacitors of capacitances \(C_1, C_2\) and \(C_3\) are connected in series. If the combination is connected to a supply of \(V\) volt, the potential difference across capacitor \(C_1\) is
A sonometer wire of length \(l_1\) is in resonance with a frequency 250 Hz. If the length of wire is increased to \(l_2\), then 2 beats per second are heard. The ratio of lengths \( \dfrac{l_1}{l_2} \) of wire will be
The oxidation state of phosphorus in pyrophosphorus acid is
Which among the following elements belongs to second inner transition series?
Moment of inertia of a rod about an axis passing through its centre and perpendicular to its length is \(I_1\). The same rod is bent into a ring and its moment of inertia about the diameter is \(I_2\). Then the ratio \( \dfrac{I_2}{I_1} \) is
When a certain length of wire is turned into one circular loop, the magnetic induction at the centre of the coil due to current \(I\) is \(B_1\). If the same wire is turned into four loops to make a circular coil, the magnetic induction at the centre of this coil is \(B_2\) for the same current. Then the relation between \(B_2\) and \(B_1\) is
The size of the real image produced by a convex lens of focal length \(F\) is \(m\) times the size of the object. The image distance from the lens is
In experiment of photoelectric effect, the stopping potential for incident yellow light of wavelength \(5890\text{\AA}\) is 4 V. If the yellow light is replaced by blue light of wavelength \(4000\text{\AA}\), the stopping potential is
The displacement of the particle at a distance \(x\) from the origin is given by \(Y = A \sin \omega \left(\dfrac{x}{v} - k\right)\), where \(\omega\) is the angular velocity and \(v\) is the linear velocity. The dimensions of \(k\) are
A stone is tied at the end of a rope of length 1 m and whirled in a vertical circle. The ratio of velocity at the highest point to the lowest point will be
The mutual inductance between two coils is 0.09 H. If the current in the primary coil changes from 0 to 20 A in 0.006 s, the e.m.f. induced in the secondary coil is
An electric lamp connected in series with a capacitor and an a.c. source is glowing with certain brightness. On reducing the capacitance and frequency, the brightness of the lamp respectively
The length \(L\) and diameter \(D\) are given for four wires of the same material. They are stretched by the same load. Which wire will elongate more?