समान आवृत्ति के दो परस्पर लंबवत सरल आवर्त दोलनों के अध्यारोपण से बनने वाली लिसाजू आकृति (Lissajous figure) एक सीधी रेखा हो सकती है यदि उनके बीच का कलांतर (phase difference) हो:

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?