झटपट विज्ञान : हिंदी पीडीऍफ़ पुस्तक – बच्चों की पुस्तक | Jhatpat Vigyan : Hindi PDF Book – Children’s Book (Bachchon Ki Pustak)
Pustak Ka Vivaran : Glass mein se Pani bahar Nikalane se pahale kisi ne usamen das paise vale 27 sikke dale. Kya aap isase adhik dal sakte hain ? Pani ke oopar ek prakar ki jhilli hoti hai. Jab Pani mein koi cheez girati hai, to jhilli thodi tan jati hai. Pani ka star dheere-dheere badhata rahata hai aur ant mein Jhilli phat jati hai……..
Description about eBook : Before the water came out of the glass, someone put 27 ten paise coins in it. Can you put more than this? There is a kind of membrane over the water. When something falls into the water, the membrane stretches slightly. The water level slowly rises and eventually the membrane bursts…….
