Physics A hydrogen balloon floats up because of Weight of the balloon is less than the weight of air displaced by it. Air pressure decreases with decrease in weight Air pressure decreases with decrease in height The pressure inside the balloon is more than the pressure outside it Weight of the balloon is less than the weight of air displaced by it. Air pressure decreases with decrease in weight Air pressure decreases with decrease in height The pressure inside the balloon is more than the pressure outside it ANSWER DOWNLOAD EXAMIANS APP
Physics Curie point is the temperature at which A metal loses magnetic properties. Matter becomes radioactive Transmutation of metal occurs. A metal loses conductivity A metal loses magnetic properties. Matter becomes radioactive Transmutation of metal occurs. A metal loses conductivity ANSWER DOWNLOAD EXAMIANS APP
Physics Name the process of production of energy in the Sun Nuclear fusion Radioactivity Ionization Nuclear fission Nuclear fusion Radioactivity Ionization Nuclear fission ANSWER DOWNLOAD EXAMIANS APP
Physics Echo is heard due to Reflection Refraction Interference Scattering Reflection Refraction Interference Scattering ANSWER DOWNLOAD EXAMIANS APP
Physics Fog is an example of Liquid dispersed in gas Solid dispersed in liquid Solid dispersed in gas Gas dispersed in gas Liquid dispersed in gas Solid dispersed in liquid Solid dispersed in gas Gas dispersed in gas ANSWER DOWNLOAD EXAMIANS APP
Physics Golden view of sea shell is due to Reflection Dispersion Polarization Diffraction Reflection Dispersion Polarization Diffraction ANSWER DOWNLOAD EXAMIANS APP
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