यदि L सेमी लंबाई का एक पाइप दोनों सिरों पर खुला है और उसकी तीसरी सन्नादी (third harmonic) 1.65 kHz स्रोत के साथ प्रतिध्वनित हो रही है, तो L का मान _______ होगा (ध्वनि का वेग 330 m/s दिया गया है)।

Which of the following events is considered a major turning point that fueled Indian nationalism during British rule due to its brutal nature and widespread condemnation?

Which of the following events is considered the first major peasant uprising against the British in India?