List of top Questions asked in MHT CET- 2020

A narrow dark line seen in isotropic band of myofibril of a striated muscle fibre is called ______.

A metallic element crystallizes in simple cubic lattice. If edge length of the unit cell is 34Å, with density 8 g/cm\(^3\), what is the number of unit cells in 100 g of the metal? (Molar mass of metal = 108 g/mol)

Which one of the following is the functional unit of nature?

Identify the monomers used in preparation of PHBV polymer.

Which among the following on chlorination yields only one monochloroderivative?

The period of seconds pendulum on a planet, whose mass and radius are three times that of earth, is

In an LCR circuit the inductance is changed from \( L \) to \( 9L \). For the same resonant frequency, the capacitance should be changed from \( C \) to

A simple pendulum of length \( L \) has mass \( M \) and it oscillates freely with amplitude \( A \). At extreme position its potential energy is \( (g = \text{acceleration due to gravity}) \)

A coin is placed on a horizontal plate. The plate performs S.H.M. vertically with angular frequency \(\omega\). The amplitude \(A\) of oscillations is gradually increased. The coin will lose contact with the plate for the first time when amplitude is ( \(g\) = acceleration due to gravity )

The unit of atomic mass, amu is replaced by u, here u stands for:

Identify the increasing order of effective magnetic moment of following elements in their +2 oxidation state.
(Fe $(Z=26)$, Co $(Z=27)$, Ni $(Z=28)$, Cu $(Z=29)$)

A circular coil of radius \( R \) has a resistance of 40\( \Omega \). Figure shows two points \( P \) and \( Q \) on the circumference separated by a distance \( \frac{\pi R}{2} \), which are connected to a 16 V battery with internal resistance of 0.5 \( \Omega \). What is the value of current \( I \) flowing through the circuit?

IUPAC name of isobutyl chloride is

Which of the following pairs of solution is isotonic?
(Molar mass of urea = 60, sucrose = 342 g mol\(^{-1}\))

The derivative of $\cot^{-1}x$ with respect to $\log(1+x^2)$ is

Which of the following does NOT give yellow precipitate when reacted with (NaOH + I\(_2\)) mixture?

The perimeter of the triangle whose vertices have the position vectors \( \hat{i} + \hat{j} + \hat{k} \), \( 5\hat{i} + 3\hat{j} - 3\hat{k} \), and \( 2\hat{i} + 5\hat{j} + 9\hat{k} \) is

The common name of 1-Chloro-2, 2-dimethyl propane is

If the symbolic form of the switching circuit is \( \sim p \vee ( p \wedge \sim q) \vee q \), then the current flows through the circuit only if:

Two small drops of mercury each of radius \( R \) coalesce to form a large single drop. The ratio of the total surface energies before and after the change is

Evaluate the integral \( \int_0^5 \frac{dx}{x^2 + 2x + 10} \)

$\cosec 2\theta-\cot 2\theta=$

Identify addition polymer from following

Three condensers of capacities \(C_1, C_2, C_3\) are connected in series with a source of e.m.f. \(V\). The potentials across the three condensers are in the ratio of

Seven capacitors each of capacitance $2\,\mu F$ are to be connected to obtain equivalent capacitance of $\dfrac{10{11}\,\mu F$. Which of the following combination is possible?}