निम्नलिखित आवर्ती तरंगरूपों (waveforms) में से किसमें तुलनात्मक रूप से उच्च आवृत्ति वाले हार्मोनिक घटक होते हैं?

Who among the following founded the 'Forward Bloc'?

Which of the following statements regarding the Harappan Civilization is NOT correct?

Which ruler is generally credited with unifying much of Northern India under a single empire for the first time?