दो व्यतिकरण करने वाली कलासंबद्ध तरंगों की तीव्रताओं का अनुपात 9 : 1 है। परिणामी व्यतिकरण प्रतिरूप (interference pattern) में अधिकतम और न्यूनतम तीव्रता का अनुपात क्या होगा?

The arrival of which commission in India triggered widespread protests, including mass hartals across the country in 1928?

Which of the following leaders was instrumental in initiating and leading India’s struggle for independence?

Which of the following viceroys of India is associated with the 'Ilbert Bill' controversy?