Physics On a rainy day, small oil films on water show brilliant colours. This is due to interference polarization dispersion diffraction interference polarization dispersion diffraction ANSWER DOWNLOAD EXAMIANS APP
Physics Positive feedback is used in Amplifiers Rectifiers Oscillators None of these Amplifiers Rectifiers Oscillators None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Convex mirror is generally used in ________ Rear view mirror Reflector for head light Solar cookers Opthalmoscope Rear view mirror Reflector for head light Solar cookers Opthalmoscope ANSWER DOWNLOAD EXAMIANS APP
Physics Which one among the following doesn't have any effect on velocity of sound ? Density Temperature Humidity Pressure Density Temperature Humidity Pressure ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following parts of the sunlight makes the solar cooker hot ? Infra red Ultra violet Red light Cosmic rays Infra red Ultra violet Red light Cosmic rays ANSWER DOWNLOAD EXAMIANS APP
Physics A single fixed pulley is used to draw water from a well because Force is applied in a convenient direction Velocity ratio is low Efficiency is 100% Mechanical advantage is high Force is applied in a convenient direction Velocity ratio is low Efficiency is 100% Mechanical advantage is high ANSWER DOWNLOAD EXAMIANS APP
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