Uncategorized BSSC GK NOTES IN HINDI April 11, 2023 bk959529 108 Views 0 Comments (A) v = fλ (B) v = f/λ (C) v = f-λ (D) v = f+ λ नोट्स- * v = f λ होगा यदि ध्वनि तरंग का वेग v, BSSC GK NOTES IN HINDI Read More