प्रकाश की बातें : डॉ. सत्यप्रकाश द्वारा हिंदी पीडीऍफ़ पुस्तक – सामाजिक | Prakash Ki Baten : by Dr. Satyaprakash Hindi PDF Book – Social (Samajik)
Pustak Ka Vivaran : Cricket ke Maich mein tumane kai logon ko do nali vali doorabeen ka istemal karate huye dekha hoga. In Doorabeeno mein Amataur par lains ka hi upayog kiya jata hai, par kabhee-kabhee prijm bhee prayukt kar liye jate hai. Prijm ke bare mein vistar bad mein batayegen. Abhi itana hee kah dena kaphi hoga ki prijm bhee lains ki tarah se prakash kee kiranon ka aavartan karata hai…………..
Description about eBook : In the match of cricket you will have seen many people using two-tube binoculars. Usually these lanbs are used in these telescopes, but sometimes the prisms are also used. Details about the prism will be explained later. It would be enough to say just that the prism rotates the rays of light like a lens……………
