List of practice Questions

The order and degree of the differential equation y =$ \frac {dp}{dx}x +\sqrt {a^2p^2+b^2}$ where $ p=\frac {dy}{dx}$(here $a$ and $b$ are arbitrary constants) respectively are
Jaundice is a disorder of
$Cu$ ions released from copper-releasing intra uterine devices (IUDs)
When domestic sewage mixes with river water
Which one of the following is the correct description of a certain part of a normal human skeleton?
During mitosis, ER and nucleolus begin to disappear at
Why do most chemical reaction rates increases rapidly as the temperature rises?
Pollution is
The number of metamers possible for $ C_4H_{10}O $ is
The wave number of the spectral line in the emission spectrum of hydrogen will be equal to $\frac {8}{9}$ times the Rydberg's constant if the electron jumps from _______
Equation of the circle centered at $(4, 3)$ touching the circle $x^2+y^2-1$ externally, is _____
If $A$ is a $3 \times 3$ nonsingular matrix and if $|A | = 3$, then $|(2A)^{-1}|$= _______
Angular frequency of an electron in Bohr atom with quantum number n is proportional to
As resistance in a series resonant circuit increases (i) sharpness of resonance decreases (ii) bandwidth increases
In the group $\{1, 2, 3, 4, 5, 6\}$ under multiplication modulo $7$, if $5x = 4$, then $x =$
If $x= a\left(\cos \theta +\theta \sin \theta\right)$ and $ y = a \left(\sin \theta- \theta \cos \theta \right) $ where $0 < \theta < \frac{\pi}{2}$ , then $ \frac{d^{2}y}{dx^{2}}$ at $ \theta = \frac{\pi}{4}$ is equal to
If $f\left(9\right)= 9 , f'\left(9\right) = 4 $ then $\lim_{x\to9} \frac{\sqrt{f\left(x\right)} -3}{\sqrt{x} - 3} = $
Let $y' = e^{-2x} $ and $ y = 0$ when $x =e$. Then the value of $x$ when $ y =\frac{1}{2}$ is
Excited H atom emits a photon of energy $12.1 \, eV$, orbital angular momentum of electron changes by
Fehling's reagent contains
For a cell reaction involving two electron change, the standard e.m.f. of the cell is found to be 0.295 Vat 298 K. The equilibrium constant of the reaction at the same temperature will be
Hofmann's bromamide reaction is used to convert
If the rate equation for reaction is, rate =$ k[A][B]^{1/2}$, the order of reaction is
In a sonometer experiment, when the tension is changed by $10\, kg \, wt$, fundamental frequency emitted increases by $50 \%$ . Original tension in kg wt is
In the manufacture of NaOH, by electrolysis of an aqueous solution of sodium chloride, the cathode and anode are separated by using a diaphragm because