Physics Which one of the following is responsible for the working of Newton's colour disc experiment ? Formation of impure spectra Principle of complementary colour Persistence of vision Formation of pure spectra Formation of impure spectra Principle of complementary colour Persistence of vision Formation of pure spectra ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of sound in moist air is more than in dry air because the moist air has Less pressure than dry air. Less density than dry air. More pressure than dry air. More density than dry air. Less pressure than dry air. Less density than dry air. More pressure than dry air. More density than dry air. ANSWER DOWNLOAD EXAMIANS APP
Physics An athlete runs before long jump to get advantage on Frictional force Principle of moments Moment of a force Inertia of motion Frictional force Principle of moments Moment of a force Inertia of motion ANSWER DOWNLOAD EXAMIANS APP
Physics Which phenomenon is responsible for the echo of sound wave? Refraction Interference Reflection Polarisation Refraction Interference Reflection Polarisation ANSWER DOWNLOAD EXAMIANS APP
Physics Out of the following, which is not emitted by radioactive substance? Electromagnetic radiations Neutrons Electrons Alpha particles Electromagnetic radiations Neutrons Electrons Alpha particles ANSWER DOWNLOAD EXAMIANS APP
Physics A colour-blind person cannot See distant objects Have persistence of vision Distinguish between certain colours See black colour See distant objects Have persistence of vision Distinguish between certain colours See black colour ANSWER DOWNLOAD EXAMIANS APP
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