हमें कैसे पता चला लेजर्स के बारे में : आइजक एसिमोव द्वारा हिंदी पीडीऍफ़ पुस्तक – विज्ञान | Hamen Kaise Pata Chala Lasers Ke Bare Mein : by Isaav Asimov Hindi PDF Book – Social (Vigyan)
Pustak Ka Vivaran : Pani kee dhara kee tarah aisa lagata hai ki prakash kee kiranon se bhee lagatar oorja bah rahi ho. Aur aisa bhee lagata hai ki jaise ki ham oorja ko chhote-chhote tukadon nirantar bant sakate hai. Pani kee dhara bhee kuchh aisee ho lagati hai. Ham yah bhee janate hai ki pani chhote-chhote paramanuon se bana hota hai jo itane sookshm hote hai ki ham apani………….
Description about eBook : Like a stream of water, it seems that the energy is flowing continuously from the rays of light. And it also seems that we can divide the energy continuously in small pieces. The stream of water also looks like this. We also know that water is made up of small atoms which are so subtle that we ourselves…………
