Liquid Crystal Display

About LCD - You all know about LCD already. All of you have heard about it already and many people have even used it. Yet many such people ...

what angle should a body be projected with a velocity

At what angle should a body be projected with a velocity 24 ms -1  just to pass over the obstacle 16 m high at a horizontal distance of 32 ...

Straight line equations

Straight line equations (first degree) Ax +By +C = 0( General form) x=0. (Y-axis) y =0 (x-axis) x = a (Parallel to y-axis) y...

Planetary calculations

Planetary calculations Planetary calculations Measurement of distance of heavenly bodies Parallex Methode D = b/θ Where D is the dis...
Galaxy

Galaxy

Galaxy 1) It is a cluster of billions of star. 2) In a galaxy, the stars do not form a definite pattern. 3) There are about 10 11 (100 ...
Atmosphere of Earth

Atmosphere of Earth

Earth's atmosphere Atmosphere - The gaseous envelope surroundings the earth is called earth's  atmosphere . Chemical composi...
Heat and temperature

Heat and temperature

Heat and temperature Heat and temperature are related as: Heat Heat is a form of energy, which produces in us the sensation of warmt...