Fliqi Admin added a quiz in General Science 8 months ago.
5:00

Physics (Sound) Quiz -7

0 of 10

Q1.निम्न में से कौन-सा कथन ध्वनि तरंगों के लिये सत्य होती है।

Q2.वस्तु के वेग तथा उसके माध्यम में एवं उसकी परिस्थितियों में ध्वनि के वेग के अतनुपात को कहते है-

Q3.ध्वनि या ध्वनि प्रदूषण मापा जाता है-

Q4.साधारण बातचीत में ध्वनि की तीव्रता होती है-

Q5.ध्वनि के किस लक्षण के कारण ध्वनि मोटी (grave) या पतली (shrill)होती है-

Q6.निम्न में से किसके द्वारा ध्वनि प्रदूषण होता है ?

Q7.स्पष्ट प्रतिध्वनि सूनने के लिए परावर्तक तल व ध्वनि स्त्रोत के बीच न्यूनतम  दूरी होनी चाहिए-

Q8.ध्वनि तरंगे किसके कारण प्रतिध्वनि उत्पन्न करते है ?

Q9.प्रतिध्वनि तरंगों के ..............के कारण उत्पन्न होती है।

Q10.गुंजहीन हॉल ;क्मंक भ्ंससद्ध का अनुरणन काल होता है-

(default) 33 queries took 8 ms
NrQueryErrorAffectedNum. rowsTook (ms)
1SELECT `Institution`.`id`, `Institution`.`name`, `Institution`.`url`, `Institution`.`sort_name`, `Institution`.`city_id`, `Institution`.`state_id`, `Institution`.`address`, `Institution`.`pincode`, `Institution`.`logo`, `Institution`.`cover_photo`, `Institution`.`title`, `Institution`.`description`, `Institution`.`keywords`, `Institution`.`content`, `Institution`.`contact_no`, `Institution`.`email`, `Institution`.`exams`, `Institution`.`exams_json`, `Institution`.`status`, `Institution`.`created`, `Institution`.`modified`, `MocktestUrl`.`url` FROM `fliqicom_education`.`institutes` AS `Institution` LEFT JOIN `fliqicom_education`.`mocktest_urls` AS `MocktestUrl` ON (`MocktestUrl`.`target_id` = `Institution`.`id` AND `MocktestUrl`.`type` = 'institution') WHERE 1 = 1111
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4SELECT `DailyQuiz`.`id`, `DailyQuiz`.`page_id`, `DailyQuiz`.`category`, `DailyQuiz`.`url`, `DailyQuiz`.`exam_id`, `DailyQuiz`.`subject_parent_id`, `DailyQuiz`.`subject_id`, `DailyQuiz`.`topic_id`, `DailyQuiz`.`name`, `DailyQuiz`.`language`, `DailyQuiz`.`time`, `DailyQuiz`.`score`, `DailyQuiz`.`title`, `DailyQuiz`.`description`, `DailyQuiz`.`og_banner`, `DailyQuiz`.`status`, `DailyQuiz`.`created`, `DailyQuiz`.`modified`, `DailyQuiz`.`count`, `EduExam`.`id`, `EduExam`.`name`, `EduSubject`.`id`, `EduSubject`.`name` FROM `fliqicom_education`.`daily_quiz` AS `DailyQuiz` LEFT JOIN `fliqicom_education`.`edu_exams` AS `EduExam` ON (`DailyQuiz`.`exam_id` = `EduExam`.`id`) LEFT JOIN `fliqicom_education`.`edu_subjects` AS `EduSubject` ON (`DailyQuiz`.`subject_id` = `EduSubject`.`id`) WHERE `DailyQuiz`.`status` = 1 AND `DailyQuiz`.`subject_id` IS NOT NULL GROUP BY subject_id773
5SELECT `MocktestUrl`.`url` FROM `fliqicom_education`.`mocktest_urls` AS `MocktestUrl` WHERE `MocktestUrl`.`target_id` = 1 AND `MocktestUrl`.`type` = 'subject'110
6SELECT `MocktestUrl`.`url` FROM `fliqicom_education`.`mocktest_urls` AS `MocktestUrl` WHERE `MocktestUrl`.`target_id` = 2 AND `MocktestUrl`.`type` = 'subject'110
7SELECT `MocktestUrl`.`url` FROM `fliqicom_education`.`mocktest_urls` AS `MocktestUrl` WHERE `MocktestUrl`.`target_id` = 3 AND `MocktestUrl`.`type` = 'subject'110
8SELECT `MocktestUrl`.`url` FROM `fliqicom_education`.`mocktest_urls` AS `MocktestUrl` WHERE `MocktestUrl`.`target_id` = 5 AND `MocktestUrl`.`type` = 'subject'110
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17SELECT `DailyQuizQuestionContent`.`id`, `DailyQuizQuestionContent`.`language`, `DailyQuizQuestionContent`.`question_id`, `DailyQuizQuestionContent`.`question`, `DailyQuizQuestionContent`.`answer`, `DailyQuizQuestionContent`.`answer_text` FROM `fliqicom_education`.`daily_quiz_question_contents` AS `DailyQuizQuestionContent` WHERE `DailyQuizQuestionContent`.`question_id` = 6701110
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