[hline" PERIODICTTY AND EXTREME VALUL "," MS "],[hline34" If "a<=3cos x+5sin(x-pi/6)<=(::)" for all "x" ,hen "(a,b),(-sqrt(21).sqrt(21))]

[" A parallel plate capacitor is "],[" constructed using three different "],[" dielectric materials as shown in fig."],[" The parallel plates across which a "],[" potential difference is applied are of "],[" area A and are separated by a "],[" distance d.The capacitance across A "],[" and B is "(xK in_(0)A)/(y)" .Find xy? ( "x,y" are "],[" smallest possible integers)."],[qquad [hline A,2k],[hline4k,k],[hline-d/2rarr A/2rarr]],[hline]

If A(3,4) and B(-5,-2) are the extremities of the base of an isosceles triangle ABC with tan C = 2 , then point C can be

If A(3,4) and B(-5,-2) are the extremities of the base of an isosceles triangle ABC with tan C = 2 , then point C can be

the extremities of a line segment AB are given below . find the co-ordinates of the points of trisections A(1,2),B(-3,4).

A particle executing SHM along a straight line has a velocity of 4ms^(-1) , and at a distance of 3m from its mean position and 3ms^(-1) , when at a distance of 4m from it. Find the time it take to travel 2.5m from the positive extremity of its oscillation.

If A(3,4) and B(-5,-2) are the extremities of the base of an isosceles triangle ABC with tan C=2 ,then point C can be

If the frequency of a sound wave of wavelength 34 m is 10 Hz in air, then the speed of the sound wave in air is ......... ms^(-1)

Calcualte the mass fo a photon fo sodium light having wavelength 5894 Å and velocity 3 xx 10^9 ms^(-1) , h = 6. 6 xx 10 ^(-34) kg ^2 s^(-1) .