Physics An oil drop spreads over water because Oil does not mix with water Oil is more viscous water has a higher surface tension Oil is lighter than water Oil does not mix with water Oil is more viscous water has a higher surface tension Oil is lighter than water ANSWER DOWNLOAD EXAMIANS APP
Physics Echo is heard due to Interference Reflection Refraction Scattering Interference Reflection Refraction Scattering ANSWER DOWNLOAD EXAMIANS APP
Physics The ''Greenhouse effect' is mainly due to increase in atmospheric Ozone Sulphur dioxide Carbon dioxide Nitrogen Ozone Sulphur dioxide Carbon dioxide Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Physics An object of 10 kg is moving with a speed of 2 m/s. The kinetic energy of the object is 25 J 40 J 20 J 10 J 25 J 40 J 20 J 10 J ANSWER DOWNLOAD EXAMIANS APP
Physics The device which converts sound energy into electrical energy is called Speaker Microphone Transmitter Amplifier Speaker Microphone Transmitter Amplifier ANSWER DOWNLOAD EXAMIANS APP
Physics Sound waves in air are longitudinal polarised electromagnetic transverse longitudinal polarised electromagnetic transverse ANSWER DOWNLOAD EXAMIANS APP