Echo: If we shout or clap near a suitable reflecting object such as a tall building or a mountain, we will hear the same sound again a little later. This sound which we hear is called an echo. Echoes are heard due to the phenomenon of Reflection of sound waves. To hear the echo clearly, the reflecting object must be more than 17.2 m from the sound source for the echo to be heard by a person standing at the source.
The National Botanical Research Institute is situated in which city?
'The Great Indian Novel’ is written by _____ in which he based ‘The Mahabharata’ as a framework for his satirical novel.
The renamed Untouchability (Offences) Act, 1955 is now known by which of the following names?
What is the speed of objects relative to the straight line?
Identify the ore from which Aluminum is extracted
Why is a Firewall used in Computer?
Which of the following states won the ‘Best Tableau’ award at the 71st Republic Day parade in January 2020?
Padma Shri Minati Mishra was an Indian classical dancer and actress, known for her expertise in which of the following Indian classical dance forms?
Which of the following has Largest Capacity Factor Ratio –
Which Indian-origin chess player defeated Polish grandmaster Jacek Stopa and made history by becoming the youngest player ever to beat a chess grandmas...