A point object is placed at the centre of curvature of a spherical concave mirror. Which one among the following would be the correct location of image formed?
At infinity
At the centre of curvature
At the focal point
Between the focal point and the centre of curvature
For election to the Lok Sabha, a nomination paper can be filed by
Miscellaneous · Easy
In a month if the seventh day is three days earlier than Saturday,then the nineteenth day of the month will be a
Miscellaneous · Easy
Which among the following events happened earliest ?
Miscellaneous · Easy
An 80-litre solution of alcohol and water has 75% alcohol. How much water (in litres) must be added to bring down the concentration of alcohol to 60%?
Miscellaneous · Easy