15.Sound | 8वी , विज्ञान सेमी Active Guruji 5 years ago 15.Sound 8वी , विज्ञान सेमी मनोरंजक टेस्ट सोडवा… Loading… Share with Share on WhatsApp (Opens in new window) WhatsApp Share on Facebook (Opens in new window) Facebook Share on X (Opens in new window) X Share on Telegram (Opens in new window) Telegram 13.Sound | 6वी , विज्ञान सेमीDateMarch 29, 2021In relation toसहावी टेस्ट18.Sound- Production of Sound | 7वी ,विज्ञान सेमीDateMay 13, 2021In relation toसातवी टेस्ट12.Study of sound | 9वी, विज्ञान व तंत्रज्ञान सेमीDateMay 24, 2021In relation toनववी टेस्ट
