एक स्विमिंग पूल हमेशा अपनी वास्तविक गहराई से कम गहरा दिखाई देता है। यह किस प्रकाशिक घटना (optical phenomenon) का उदाहरण 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?