निम्नलिखित में से कौन सा ऑसिलेटर आमतौर पर ऑडियो आवृत्ति (audio frequency) अनुप्रयोगों के लिए उपयोग किया जाता है और आवृत्ति ट्यूनिंग की एक विस्तृत श्रृंखला प्रदान करता है?

Mahatma Gandhi's last fast unto death in 1948 was primarily against which of the following?

What was the primary meaning of 'Swaraj' as popularized by Mahatma Gandhi during India's independence movement?

What was one major impact of India’s independence on its economy?