The radius of curvature of a concave mirror is 30 cm. Following Cartesian Sign Convention, its focal length is expressed as
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Japan is called the 'Land of the rising sun' because
The Great Smog of 1952 was a severe air-pollution event which affected _______.
June 21 marks the winter solstice in the _________ Hemisphere.
Article 29 of the Constitution of India grants which of the following rights?
How many players are there in a team of Volleyball?
Which of the following elements were not found in the form of archaeological remains from Kalibanga?
Complete the number series by choosing the missing terms from the options. 32, 64, 256, 1536, ? ,122880,1474560