The centre of the reflecting surface of a spherical mirror is called the
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Calculate the time period (in seconds) of a sound wave of wavelength 5m travelling with a speed of 500 m/s.
In December 2017, who launched project ‘DARPAN’ (Digital Advancement of Rural Post Office for a New India)?
Sea Guardian drones were obtained from which country?
The Indian Navy has inducted two MQ-9B Sea Guardian unarmed drones procured from the U.S. on lease to enhance surveillance over the Indian Ocean Region (IOR).
Who is the author of the Indian English Novel 'Sita : Warrior of Mithila' published in 2017?
As of February 2018, which Indian Paediatrician has been appointed as the Deputy Director General (Programmes) in the World Health Organisation (WHO)?
___, present in the centre of a flower, forms the female reproductive part.
The universal natural auxin of plants is