List of practice Questions

At what temperature is rms speed of air molecules double of that at NTP?
On a massless rod four masses are fixed as shown in figure. What is the moment of inertia about an axis passing through centre of rod
The rate of outflow of liquid through an orifice does not depend upon
The two waves, whose intensities are $ 9:16 $ are made to interfere. The ratio of maximum and minimum intensities in the interference pattern is
A bullet moving with speed 200 m/s is just able to pierce a wooden block of 6 cm thickness. What velocity is required to just pierce a block of 8 cm?
A bullet of 5 g is fired with a velocity of 800 m/s. The velocity of bullet becomes 200 m/s when it pierces a wooden block 2 m thick. What is the average resistance offered by the wooden block?
A small object placed on a rotating horizontal turn-table just slips when it is placed at a distance of 4 cm from the axis of rotation. If the angular velocity of the turn-table is doubled the object slips when its distance from the axis of rotation is
What is the relation between particle velocity (v), the wave velocity (c) and the slope (s) of the wave?
Vermicompost is
Vermicompost is ecofriendly because
The pOH of 0.0005 M sulphuric acid is
The only Floating National Park in the world is
The non-medicated IUD is
The most abundant RNA in the cell is
$\tan^{-1} \left(\frac{1}{x+y} \right) +\tan ^{-1}\left(\frac{y}{x^{2} +xy +1}\right)= $
$\int\limits_{-1/2}^{1/2} \cos x\log\left(\frac{1+x}{1-x}\right) dx = $
In $Z$, the set of all integers, the inverse of $-7$ with respect to $*$ defined by $a * b = a + b + 7$ for all $a, b \in Z$ is
In $Z_7 - \{0\}$ under multiplication mod $7$, if $2^{-1} y \,3^{-1} = 5^{-1}$, then $y =$
Human genome project was officially started in
Glomerular filtrate consists of
Double fertilization in angiosperms was discovered for the first time by
The left lung of human is divided into
Transport of cytokinin in the plant body is
Example of an oxidative organelle is
Meiosis can be best studied in