An object of 1.2 cm height is placed 30 cm before a concave mirror of focal length of 20 cm toget a real image at a distance of 60 cm from the mirror. What is the height of the image formed?
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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?
Who is the Vice Chairperson of NITI Aayog ?
The second most senior office in the country is of _____ .
Kalindi is another name of the river
Geospatial data can be obtained for the following
Which one of the following countries does not have football as their national sport?
The successive discount of 15%, 20% and 25% on an article is equivalent to the single discount of
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