List of practice Questions

How many times 3 comes from 1 to 1000?

A typical 24-hour activity of a mobile crusher plant is shown. The utilization, in %, of the plant, is (round off up to 2 decimals)

An extrinsic semiconductor shown in the figure carries a current of 2 mA along its length parallel to the \( +x \) axis.

When the majority charge carrier concentration is \( 12.5 \times 10^{13} \, \text{cm}^{-3} \) and the sample is exposed to a constant magnetic field applied along the \( +z \) direction, a Hall voltage of 20 mV is measured with the negative polarity at the \( y = 0 \) plane. Take the electric charge as \( 1.6 \times 10^{-19} \) C. The concentration of minority charge carriers is negligible. Which of the following statements is/are true?

Fill in the blanks with the correct combination of tenses for the given sentence :
Darwin's work (i)_______ a related effect that (ii) ________ influenced the development of environmental politics - a 'decentering' of the human being.

If the percentage error in measuring length and diameter of a wire is \(0.1\%\) each, then the percentage error of the resistance of the wire is :

The human genetic code is triplet in nature with 64 codons made using four nucleotides. If the human genetic code was doublet in nature, the number of codons theoretically possible from four nucleotides is_____ (Answer in integer)

Which one of the following use inorganic compounds as an energy source?

Which one or more of the following statements is/are correct regarding the transport and retention of proteins in different cell organelles?

Each of the following alkenes undergoes addition reaction with bromine. Under the reaction conditions, the CORRECT trend in the reaction rates is

The CORRECT option(s) of Y for the following reaction is/are

The pKa of a buffer solution with pH of 5, consisting of 0.4 M sodium acetate and 0.04 M acetic acid, is____(Answer in integer)

If \(E = \frac{(A-x^2)}{Bt}\) where \(E\) is energy, \(x\) is displacement and \(t\) is time. Find dimensions of \(AB\)

Two solid spheres each of mass 2 kg and radius 75 cm are arranged as shown. Find MOI of the system about the given axis.

The molecule(s) with non-zero dipole moment is/are

The molecules A and B are a pair of___

Upon addition of compound X to an aqueous AgNO\(_3\) solution, a white precipitate appears instantly. Also, X does not exhibit geometrical isomerism. The CORRECT option(s) for X is/are:

The figure shows a thin cylindrical pressure vessel constructed by welding plates together along a line that makes an angle a = 60° with the horizontal. The closed vessel has a wall thickness of 10mm and diameter of 2m. When subjected to an internal pressure of 200 kPa, the magnitude of the normal stress acting on the weld is ____MPa (rounded off to 1 decimal place).

What will be the reactivity order of following compounds towards electrophilic substitution reaction ?

Consider the two neural networks (NNs) shown in Figures 1 and 2, with ReLU activation (ReLU(z) = max{0, z}, ∀z ∈ R). R denotes the set of real numbers. The connections and their corresponding weights are shown in the Figures. The biases at every neuron are set to 0. For what values of p, q, r in Figure 2 are the two NNs equivalent, when x₁, x₂, x₃ are positive ?

Among the following which is known as “SPIRIT OF SALT”:

Distance between twice-magnified virtual image of an object placed in front of mirror is 15 cm. Find focal length of spherical mirror in cm.

In which famous play of Shakespeare does a woman disguise herself as a male advocate?

Find the total number of sigma and pi bonds in 2-formyl hex-4-enoic acid.

An artillery of mass \(M_1\), fires a shell of mass \(M_2\). At the time of firing the ratio of kinetic energy is.

\(T-V\) graph is given for two different pressures \(P_1\) and \(P_2\), Then :