जब प्रकाश किसी पारदर्शी सतह पर ब्रूस्टर कोण पर आपतित होता है, तो परावर्तित और अपवर्तित किरणों के बीच का कोण कितना होता 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?