List of practice Questions

Jawaharlal Nehru University, Delhi was established in which year?

Where is the Headquarters of SAARC located?

Amartya Sen won the Nobel Prize in the field of Economics in the year ____ .

Which Novel has been nominated for International Booker Prize 2023?

Which country signed an agreement with the European Union to collaborate on responsible advancements in Artificial Intelligence?

Lattice enthalpy for NaCl is +788 kJ mol^-1 and ΔH°_hyd= -784 kJ mol^-1. Enthaply of solution of NaCl is

The function \(y=e^{kr}\) satisfies \((\frac{d^2y}{dx^2}+\frac{dy}{dx})(\frac{dy}{dx}-y)=y\frac{dy}{dx}\). It is valid for 

When a p-n junction diode is in forward bias, which type of charge carriers flows in the connecting wire?

A full-wave rectifer with diodes D₁ and D₂ is used to rectify 50 Hz alternating voltage. The diode D₁ conducts _______ times in one second.

Let f(x)=πcosx+x².The value of c∈(0,π) where f attains its local maximum/minumum is

A particle at rest starts from the origin with a constant acceleration a that makes an angle 60° with the positive y-axis. If its displacement along y-axis is 10m in time 2s,then the magnitude of a is:

For a given electric current the drift velocity of conduction electrons in a copper wire is v_d and their mobility is μ . When the current is increased at constant temperature

The horizontal component of Earth’s magnetic field at a place is 3 × 10^-5 T. If the dip at that place is 45°, the resultant magnetic field at that place is

The speed of sound in an ideal gas at a given temperature T is v. The rms speed of gas molecules at that temperature is v_rms. The ratio of the velocities v and v_rms for helium and oxygen gases are X and X' respectively. Then \(\frac{X}{X'}\) is equal to

The Points (1,3), (5,1) are Opposite vertices of a diagonal of a rectangle. If the other two vertices lie on the line y=2x+c, then one of the vertex on the other diagonal is? 
 

\(f(x) = x^2 + 1\), \(g(x) = \frac{1}{x}\). Find \(f(g(g(f(x))))\) at \(x = 1\)

Considering only the principal value of an inverse function, the set: A= { x ≥ 0, tan^-1x + tan^-16x = \(\frac{\pi}{4}\)}, then A is... 
 

General Solution of the differential equation:
\(cos\,x(1+cos\,y)dx-sin\,y(1+sin\,x)dy=0\) is:

A particle is in uniform circular motion. Related to one complete revolution of the particle, which among the stataments is incorrect ?

When light propagates through a given homogeneous medium, the velocities of

 
'L' in the above sequence of reaction is/are(where L≠M≠N)

Five capacitors each of value 1 μF are connected as shown in the figure. The equivalent capacitance between A and B is