List of practice Questions

In Bohr?? orbit, $\frac{nh}{2\pi}$ indicates

In an $LCR$ circuit shown in the following figure, what will be the readings of the voltmeter across the resistor and ammeter if an $a.c.$ source of $220V$ and $100\, Hz$ is connected to it as shown?

In a Young?? double slit experiment with light of wavelength $\lambda$, fringe pattern on the screen has fringe width $\beta$. When two thin transparent glass (refractive index $\mu$) plates of thickness $t_1$ and $t_2$ $(t_1 > t_2)$ are placed in the path of the two beams respectively, the fringe pattern will shift by a distance

In aerobic respiration, total number of ATP molecules formed from 1 glucose molecule is

In a convex lens of focal length $F$, the minimum distance between an object and its real image must be

If $[x]$ is the greatest integer $ \le x,$ then the value of the integral $\int\limits^{0.9}_{-0.9}\left(\left[x^{2}\right]+\left(\frac{2-x}{2+x}\right)\right)dx$ is

If the line $y = mx + 1$ meets the circle $x^2 + y^2 + 3x = 0 $ in two points equidistant from and on opposite sides of $x$-axis, then

If the integral $\int \frac{5\,tan\, x }{tan \,x - 2} dx = x + a \ell n |sin x - 2 cos x| + k$, then $a$ is equal to :

If $Si$ is doped with $B$,

If radius of the $1^{st}$ orbit of $H$-atom is $0.0529 \,nm$ then the radius of its $3^{rd}$ orbit is

If $n= \,^mC_2$, then the value of $^nC_2$ is given by

If $f\left(x\right) = \frac{a^{2} -1}{a^{2} +1} x^{3} -3x +5 $ is a decreasing function of $x$ in $R$, then the set of possible values of a (independent of $x$) is

If f(x) = sin (log x) and $y = f\left(\frac{2x+3}{3-2x}\right)$, then $\frac{dy}{dx}$ equals

If $100$ times the $100^{th}$ term of an $A.P.$ with non zero common difference equals the $50$ times its $50^{th}$ term, then the $150^{th}$ term of this $A.P.$ is :

Identify the correct sequence of taxonomic categories

Hypercalcemic hormone is

Gypsum is added to cement to

Genes are located in

For 1 mol of an ideal gas at a constant temperature $T$, the plot of $(log\, P)$ against $(log\, V)$ is a ($P$: Pressure, $V$: Volume)

Find the voltage drop across a capacitor connected with a resistance and a battery of $60\, V$ in series after a long time.

Fire extinguishers contain $H_2SO_4$ and which one of the following?

Extraction of zinc from zinc blende is achieved by

Expiratory Capacity of a person is

Photorespiration is a prominent feature of plants having

In which stage of mitosis, chromosomes get arranged on equatorial plate?