The velocity of a particle having a magnitude of 10 ms-1 in the direction of 60° with positive X-axis is
Expression for an electric field is given by $\overrightarrow{ E }=4000 x^2 i \frac{ V }{ m }$ The electric flux through the cube of side $20 cm$ when placed in electric field (as shown in the figure) is ___$V cm$
A ball falls freely from a height h on a rigid horizontal plane. If the coefficient of resolution is e, then the total distance travelled by the ball before hitting the plane second time is:
Let $a_1, a_2, a_3, \ldots$ be an AP If $a_7=3$, the product $a_1 a_4$ is minimum and the sum of its first $n$ terms is zero, then $n !-4 a_{n(n+2)}$ is equal to :
In the angle of the shadow of a 30 m long pool is 10√3m, then the angle elevation of the sun is
In comparison to a 0.01 M solution of glucose, the depression in freezing point of a 0.01 M MgCl2 solution is ________ .
An emulsion consists of
Find the sum and product of the root for the quadratic equation x2+4=0
A tower of 45 cm high costs a shadow of 12 cm, then the angle of elevation of the dun is
Calculate the value of ∫1 (tan-1x/1+x2) dx
