An object is raised to a height of 3 m from the ground. It is then allowed to fall on to a table 1 m high from ground level. In this context, which one among the following statements is correct?
Its potential energy decreases by two-thirds its original value of total energy.
Its potential energy decreases by one-third its original value of total energy.
Its kinetic energy increases by two-thirds, while potential energy increases by one-third.
Its kinetic energy increases by one-third, while potential energy decreases by one-third.
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