List of practice Questions

Lithium shows diagonal relationship with
A constant retarding force of $ 80\,N $ is applied to a body of mass $ 50\,kg $ which is moving initially with a speed of $ 20\,m/s $ . What would be the time required by the body to come to rest?
Addition of oxygen to an element or a compound is termed as
Why $d$-block element form complexes?
Among the following molecule which has the zero dipole moment?
What happens to the acceleration due to gravity with the increase in altitude from the surface of the earth?
What are lanthanides and actinides?
The entropy of vaporization of a liquid is $58 \, JK^{-1} \,mol^{-1}$. If $100\, g$ of its vapour condenses at its boiling point of $123^{\circ}C$, the value of entropy change for the process is (Molar mass of the liquid = $58 \,g \,mol^{-1})$
A particle has the position vector ${r} = \hat{i} - 2\hat{j } + \hat{k}$ and the linear momentum ${p} = 2\hat{i} - \hat{j} + \hat{k}$. Its angular momentum about the origin is
A uniform wire of resistance 9 $\Omega$ is joined end-to-end to form a circle. Then the resistance of the circular wire between any two diametrically opposite points is
Green chemistry deals with
If $0< x< \pi$, then $\frac{\sin 8 x+7 \sin 6 x+18 \sin 4 x+12 \sin 2 x}{\sin 7 x+6 \sin 5 x+12 \sin 3 x}$ equal to
A body oscillates with SHM according to the equation (in SI units), $x = 5 cos \left(2\pi t +\frac{\pi}{4}\right) .$ Its instantaneous displacement at $t = 1$ second is
According to MO theory,
The sugar moiety present in $RNA$ molecule is
Novlac, the linear polymer used in paints is
Which of the following is a dimensionless quantity?
Wood spirit is known as
The angle between the true geographic north and the north shown by a compass needle is called as
An athlete throws the shot-put of mass $ 4\,kg $ with initial speed of $ 2.2\,ms^{-1} $ at $ 41^{\circ} $ from a height of $ 1.3\,m $ from the ground. What is the KE of the shot-put when it reaches the ground? (Ignoring the air resistance and gravity $ g=9.8 \, m/s^{-2} $ )
Solve $ \frac{dy}{dx}+\frac{y}{x}={{x}^{3}} $
The correct order of arrangement of electromagnetic waves according to their wavelength is
Which one of the following equation is Torricelli law?
The smallest quantity of energy that can be emitted or absorbed in the form of electromagnetic radiation is known as
A zener diode is used as