Q.10448: गूँजहीन हॉल ( Dead Hall ) का अनुरणन काल होता है |
गूँजहीन हॉल ( Dead Hall ) का अनुरणन काल होता है - The Dead Hall has a survival period - goonjheen Hall ( Dead Hall ) Ka Anurnnan Kaal Hota Hai General Science in hindi, Physics 0 . 8 Second question answers in hindi pdf 1 . 8 Second questions in hindi, Know About Shunya Second General Science online test General Science MCQS Online Coaching in hindi quiz book 8 Second