Calculate the time period (in seconds) of a sound wave of wavelength 5m travelling with a speed of 500 m/s.
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On 5 March 2017, who launched an artificial intelligence – driven chatbot named ‘EVA (Electronic Virtual Assistant)’ for customer services?
In January 2018, ‘Swachh Survekshan 2018’ was launched. It will rank how many cities on the National level which have more than 1 lakh population?
After how much time the laws made by Parliament on the state subjects during a National Emergency become inoperative and cease to operate?
In India, the oath of secrecy to union ministers is administered by whom?
Which crop was first cultivated in Sri Lanka under plantation agriculture?
What is considered the most important fundamental principle of Jainism?
In which of the following years sea travel has been made mandatory for Indian soldiers?
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