Physics If a copper wire is increased to double its length, its resistance will become Double Four times One–fourth Half Double Four times One–fourth Half ANSWER DOWNLOAD EXAMIANS APP
Physics At hill stations, the boiling point of water will be Equal to the melting point of ice More than that at sea level Same as at sea level Less than that at sea level Equal to the melting point of ice More than that at sea level Same as at sea level Less than that at sea level ANSWER DOWNLOAD EXAMIANS APP
Physics A small drop of oil spreads over water because : Water has a higher surface tension Oil has a higher surface tension Oil has a higher viscosity Water has a higher viscosity Water has a higher surface tension Oil has a higher surface tension Oil has a higher viscosity Water has a higher viscosity ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is the unit of perceived loudness of sound ? Phon Sone Decibel Hertz Phon Sone Decibel Hertz ANSWER DOWNLOAD EXAMIANS APP
Physics A man stands in a lift which accelerates upwards. The resultant reaction force on the floor of the lift is Same as the weight of the man Zero Less than the weight of the man Greater than the weight of the man Same as the weight of the man Zero Less than the weight of the man Greater than the weight of the man ANSWER DOWNLOAD EXAMIANS APP
Physics Suppose voltage V is applied across a resistance R. The power dissipated in the resistance is P. Now the same voltage V is applied across a parallel combination of three equal resistors each of resistance R. Then the power dissipated in the second case will be 2p/ 3 3P P/3 P 2p/ 3 3P P/3 P ANSWER DOWNLOAD EXAMIANS APP
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