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X= 4SIN4X + SIN22∂ + 4 COS2{ PIE/4 - ∂/2 } AND PIE<∂ < 3PIE/2 .... FIND THE VALUE OF X...... ...
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we know that a body can't exceed speed of light but can be just equal to it..i.e. 99.7% of speed of light... we have not achieved that but ..it is possible...now........let it is achieved ...and a super spacecraft is moving w ...
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I WANT TO KNOW THAT IS IT TRUE THAT TIME VARIES FOR DIFFERENT PlACES around earth or any other place For e.g. satellites revolve around EARTH ....they are used for gps systems...each satellte has its own clock ...on his journ ...
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3SINX - 4 SIN3X - K=0 ANGLE A AND ANGLE B SATISFY THE ABOVE EQUATION. A>B (GIVEN) FIND ANGLE C? WHERE A,B AND C ARE THE ANGLES OF A TRIANGLE ABC....... ...
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A+B+C=pie ( A,B,C>0) AND ANGLE C IS OBTUSE THEN A) TAN A.TAN B >1 B) TAN A.TAN B <1 C) TAN A.TAN B =1 D) NONE OF THESE ...
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if x= y cos 2pie/3 = z cos 4pie/3 then xy+yz+xz=? ...
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SIN2X + COS4X = A FIND MAXIMUM VALUE OF A.... ...
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lt from (-1 to 3/2) ---∫ IxI + Ix+2I + Ix+4I .dx where I I is modulus.... can we do it by breaking of limits or some other method??? ...
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a cell has efficiency 60% when connected only to a resistance R. wt will be new efficiency of cell if resistance is increased to six times?? ...
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y=( 1/x )2(x)2 wt is its max. value?? it is an easy one.. let us see euclid who seems himself to be genius solves it in wt time . it is very easy ...
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WE KNOW THAT EARTH HAS -VE CHARGED PARTICLES SPREAD OVER ITS SURFACE AND IN THE IONOSPHERES AND OTHER LAYERS ABOVE THE EARTH'S SURFACE THERE ARE +VELY CHARGED PARTICLES DUE TO COSMIC RAYS THAT IONISE AIR . SO POTENTIAL DIFFER ...
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a metal sphere of radius R is charged to potential V. a) find the electrostatic energy stored in electric field within a concentric sphere of radius 2R . b) show that the electrostatic energy stored outside the sphere of radi ...
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*Image* how to do these type of questions in which wheatstone bridge principle is not valid..... ...
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i have open this thread to discuss integration questions ... so post questions and we will discuss it........... ...
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*Image* above is a concave mirror with water filled up to height h as shown... take refractive index of water to be u .... take radius of curvature of concave mirror to be R ..... where should a point object on the principal ...
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*Image* above is a rod having a perpendicular extension MN which has a container permanently fixed to it .. the container contains water full to its top.. the rod was rotated in such a way that water comes out of the hole of ...
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66. Let f : (–1, 1) → R be a differentiable function with f(0) = –1 and f′(0) = 1. Let g(x) = [f(2f(x) + 2)]2. Then g′(0) = (1) 4 (2) –4 (3) 0 (4) –2 ...
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a cylinder of length L made of copper has resistivity kc having radius r . it is nickel plated till its radius becomes R . the resistivity of nickel plate is kn . find the conductance of nickled plate??? ...
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f((x+y)/2)= A.M of f(x) and f(y).. if f'(0) exists and f'(0) = -1 and f(0) = 1 then f(2) =? ...
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*Image* which is more stable? ...
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a dipole is placed with its two ends having charges q and -q 2L distance apart . An ant having charge +Q on his body moves fom infinity to a point r distance apart from dipole along dipole equatorial line . wt is the work don ...
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what are anti-neutrino particles??? ...
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beta particles are emitted from nucleus but are negatively charged.how? ...
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wt is the basic concept behind nuclear forces means their cause of origin??? ...
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wt are the factors responsible for radioactivity seen in heavier nuclei , why not in lighter nuclei having most unstable nucleis???? ...
