An echo is returned in 3 s. What is the distance of the reflecting surface from the source, considering the speed of sound as 342 ms-1?
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The tallest bridge in the world Millau Viaduct has been constructed over the river
The Typhoon named 'Goni' has recently hit which country?
Mount Semeru, an active volcano, located in
In which year did Ole Romer measure the speed of light for the first time in the history?
WHICH OF THE FOLLOWING IS not A RENEWABLE SOURCE OF ENERGY?
In the following figure, rectangle represents brand managers, circle represents cartoonist, triangle represents sculptors and square represents fathers. Which set of letters represents fathers who are either brand managers or cartoonists?
Three freedom fighters including Bipin Chandra Pal were popularly known as Lal-Bal-Pal. Who were the other two?
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