सबसे पहले टेलीविजन का अविष्कार 1924 में जॉन लोगी वेयर्ड (John Logie Baird) ने किया था।
Television me esa kya hota h jiske karan se Chitra dikhai deten h
इंसान
मे असा क्या हे जो बो लता हे
Repal kam karne ke liye keya kaam aata he
T. V. Ki khoj kisne ki
Electron ni sodh kisane ki
T.v ki koj kisane ki
Types of part TV
Telivijan ki khoj
Redio Ki khoj kisne ki
Raids phelta kis ke kard
टी.वी कौन कौन सी बिजली से चलता है?
Bhaiyon Ki Khoj Kisne ki aur Hawa Ki Khoj Kisne Ki Pani Ki Khoj Kisne ki
English ke khojkarta kon h
T v ka aviskar kisne kiya tha
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