List of top Questions asked in MHT CET

An element with density 2.8 g cm$^{-3}$ forms FCC unit cell having edge length 4 × 10$^{-8}$ cm. Calculate molar mass of the element.
Primary nitroalkanes on boiling with hydrochloric acid undergo hydrolysis to form
How many moles of acetic acid are obtained in the reaction when one mole glucose is treated with excess acetic anhydride?
Which from the following methods is NOT used to preserve food?
What is the molecular formula of 3-bromopropene?
Which of the following conditions indicates the reaction is spontaneous?
Which among the following is NOT a mineral of chlorine?
Light waves from two coherent sources arrive at two points on a screen with path difference of zero and \( \lambda / 2 \). The ratio of the intensities at the points is
When unpolarised light is passed through crossed polaroids, then light passing through first polaroid
In series LCR circuit, resistance is 18 \( \Omega \) and impedance is 33 \( \Omega \). An r.m.s. voltage of 220 V is applied across the circuit. The true power consumed in a.c. circuit is
A metal sphere of radius 1 m is charged with \( 10^{-2} \) C in air. Its bulk modulus is \( \frac{10^{11}}{4\pi^2} \). The volume strain in the sphere is \( \epsilon_0 \) (permittivity of free space)
What is the role of tuyères used in blast furnace for extraction of iron?
Which of the following compounds contain \(-\text{CO}-\text{NH}-\) linkage?
A copper wire of length \( L \) and diameter \( D \) is to be reshaped into another wire so as to have minimum resistance. For this we should
Ratio of centripetal acceleration for an electron revolving in 3rd orbit to 5th Bohr orbit of hydrogen atom is
A particle performs S.H.M. from the mean position. Its amplitude is \( A \) and total energy is \( E \). At a particular instant its kinetic energy is \( \frac{3E}{4} \). The displacement of the particle at that instant is
A capillary tube is vertically immersed in water, water rises up to a height \( h_1 \). When the whole arrangement is taken to a depth \( d \) in a mine, the water level rises up to height \( h_2 \). The ratio \( \frac{h_1}{h_2} \) is (R = radius of earth)
A transverse wave is travelling on a string with velocity \( V \). The extension in the string is \( x \). If the string is extended by 50%, the speed of the wave along the string will be nearly (Hooke's law is obeyed)
The kinetic energy acquired by a body of mass \( M \) in travelling a certain distance \( d \), starting from rest, under the action of constant force is
The magnitude of magnetic fields at a distance \( r \) from the centre of a short bar magnet, in longitudinal position to transverse position is in the ratio
A body is projected vertically upwards from earth's surface. If its K.E. of projection is equal to half of its minimum value required to escape from the gravitational influence, then the height upto which it rises is (R = radius of the earth)
A black rectangular surface of area A emits energy E per second at 27°C. If length and breadth is reduced to \( \frac{1}{3} \) of initial value and temperature is raised to 327°C, then energy emitted per second becomes
Out of the following graphs, which graph shows the correct variation of maximum kinetic energy (E) of photoelectron with intensity of incident radiation (I)?
A particle rotates in a horizontal circle of radius \( R \) in a conical funnel, with speed \( V \). The inner surface of the funnel is smooth. The height of the plane of the circle from the vertex of the funnel is (g = acceleration due to gravity)
A metal rod of length \( L \) and cross-sectional area \( A \) is heated through \( T \) °C. What is the force required to prevent the expansion of the rod lengthwise?
(Y = Young's modulus of material of the rod, \( \alpha \) = coefficient of linear expansion of the rod.)