List of practice Questions

The length of a potentiometer wire is $1200\, cm$ and it carries a current of $60\, mA$. For a cell of emf $5\, V$ and internal resistance of $20 \, \Omega$, the null point on it is found to be at $1000\, cm$. The resistance of whole wire is :

A charge $Q$ is distributed over two concentric conducting thin spherical shells radii $r$ and $R$ $( R > r )$. If the surface charge densities on the two shells are equal, the electric potential at the common centre is :

For following reactions ${A ->[700\,K][] Product}$ ${A ->[500\,K][{\text{catalyst}}] Product}$ it was found that the $E_a$ is decreased by 30 k J/mol in the presence of catalyst. If the rate remains unchanged, the activation energy for catalysed reaction is (Assume pre exponential factor is same):

A particle of charge $q$ and mass $m$ is subjected to an electric field $E = E _{0}\left(1- ax ^{2}\right)$ in the $x$ -direction, where a and $E_{0}$ are constants. Initially the particle was at rest at $x=0$. Other than the initial position the kinetic energy of the particle becomes zero when the distance of the particle from the origin is :

The de Broglie wavelength of an electron in the $4^{th}$ Bohr orbit is :

Identify the correct output signal $Y$ in the given combination of gates (as shown) for the given inputs $A$ and $B$.

Complex X of composition $Cr(H_2O)_6Cl_n$ has a spin only magnetic moment of 3.83 BM. It reacts with $AgNO_3$ and shows geometrical isomerism. The IUPAC nomenclature of X is :

If the potential energy between two molecules is given by $U = - \frac{ A }{ r ^{6}}+\frac{ B }{ r ^{12}},$ then at equilibrium, separation between molecules, and the potential energy are :

A cube of metal is subjected to a hydrostatic pressure of $4 \,GPa$. The percentage change in the length of the side of the cube is close to (Given bulk modulus of metal, $\left. B =8 \times 10^{10} Pa \right)$

An electrical power line, having a total resistance of $2\Omega,$ delivers $1\, kW$ at $220\, V$. The efficiency of the transmission line is approximately:

M.C. Mehta Vs Union of India 1986 Shriram food and Fertilisers case relates to:

In M.C. Mehta Vs. Union of India, AIR 1987 SC1086 (Sri Ram Fertilizers case) the court held that:

Right to know the antecedents of the candidates in the election flow from:

Anuradha Bhasin Vs Union Of India on 10 January, 2020 relates to a challenge under Article 32 of the Constitution seeking issuance of an appropriate writ:

The Arbitration Act 1996 repeals:

In Torts, all persons who aid, or counsel, or direct or join in the committal of a wrongful act, are known as:

According to the Classical doctrine of Act of State in law of Torts means:

R. V. Dudley & Stephen stands for the principle that:

Judicial control of Delegated Legislation may be exercised on the ground of:

A Teacher is not a workman within the purview of Industrial Disputes Act, held in the case of:

Section 66A of the Information Technology Act was struck down under Article 19(1)(a) read with Article 19(2) in the case of:

Parliament may by law establish Administrative Tribunals under -------- of the Constitution.

According to Justice 'Abbot Parry' what are the “Seven Lamps of Advocacy”?

Section 66A of Information Technology Act was held unconstitutional in the case of:

In the Preamble of the Indian Constitution, the expression 'liberty' is followed by the words: