Which one of the following statements regarding magnetic field is NOT correct?
Magnetic field is a quantity that has direction and magnitude
Magnetic field lines are closed curves
Magnetic field lines are open curves
No two magnetic field lines are found to cross each other
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