Recent content by shiva999

could anyone help me by giving information about radio frequency antennas if possible provide me powerpoint pesentation

thanks

i read that if you hide a box under the surface of Earth by covering it,then if try to recover it after some hundreds of years you won't find it as box adjusts to other place is it true? explain

it is negative and in order to find maximum value you have to differentiate once more

it is not possible to grab the watch i think so

is that true that the colour of sky is blue or is it just the reflection of sea water

thanks for giving me answer

i don't mean lighting

if a person is traveling in a car and there was thunderstorming rain, is there any possibility that thunderbolt hits the car?(i read that it is not going to hit the car)

thanks for your valuable reply

suppose if we make hole at the centre of Earth and release a ball into it,then it exhibits simple harmonic motion about the centre,please explain

answer is only 1/2,and i don't know how you got -1.