In an optical fibre the signal is transmitted
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The weight of a boy on the surface of the moon is 300 N. The weight of the same boy on the surface of the earth will be
While watching 3D movies at the theater, we have to wear special glasses because?
Which Schedule of the constitution of India lists the States and Union Territories of India?
The longest day of the year in the Northern Hemisphere occur on _____.
The members of the Rajya Sabha are elected by
The members of the All India Services serve the
Sun appears red in colour at sunrise and sunset due to