The centre of the reflecting surface of a spherical mirror is a point called the ___.
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A high jumper runs for a while before taking a high jump so that the inertia of __ helps him take the long jump.
A compressed spring possesses more energy than a spring of normal length because the compressed spring has
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?
"Hema Malini : Beyond the Dream Girl" is authored by which author?
Who is the author of "I Too Had A Love Story"?
Cricketer Virat Kohli was honoured with Arjuna Award in the year
Which dynasty was started by Khizr Khan ?