Physics Which physicists is the writer of the book 'A Brief History of Time'? Stephen Hawking Albert Einstein Isaac Newton Hans Bethe Stephen Hawking Albert Einstein Isaac Newton Hans Bethe ANSWER DOWNLOAD EXAMIANS APP
Physics Magnetic field lines about a current-carrying wire Both of these Circle the wire in closed loops None of these Extend radially from the wire Both of these Circle the wire in closed loops None of these Extend radially from the wire ANSWER DOWNLOAD EXAMIANS APP
Physics A small drop of oil spreads over water because : Oil has a higher surface tension Water has a higher surface tension Water has a higher viscosity Oil has a higher viscosity Oil has a higher surface tension Water has a higher surface tension Water has a higher viscosity Oil has a higher viscosity ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not true about X-rays? Have low penetrating power Can be reflected or refracted Can affect photographic plates Travel with the speed of light Have low penetrating power Can be reflected or refracted Can affect photographic plates Travel with the speed of light ANSWER DOWNLOAD EXAMIANS APP
Physics Ventilators are provided near the ceiling of the room because The exhaled warmer air rises up and goes out These do not look nice in the lower part These provide cross ventilation in the room These provide some sunlight in the room The exhaled warmer air rises up and goes out These do not look nice in the lower part These provide cross ventilation in the room These provide some sunlight in the room ANSWER DOWNLOAD EXAMIANS APP
Physics In a diesel engine the high temperature needed to ignite the fuel is achieved by Compressing air in the cylinders An electrical spark The battery Using heat from exhaust Compressing air in the cylinders An electrical spark The battery Using heat from exhaust ANSWER DOWNLOAD EXAMIANS APP
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