यदि किसी ध्वनि तरंग की आवृत्ति कम हो जाती है, तो ध्वनि की प्रकृति पर क्या प्रभाव पड़ता है?

The Dandi March, also known as the Salt Satyagraha, was led by which influential leader?

Which act formally granted independence to India, marking the end of British rule?

Who was the key figure in establishing the Indian National Congress?