Physics Why does ice covered in sawdust not melt quickly ? Sawdust does not allow the air to touch the ice Sawdust is good conductor of heat Sawdust is a bad conductor of heat The water is absorbed by sawdust Sawdust does not allow the air to touch the ice Sawdust is good conductor of heat Sawdust is a bad conductor of heat The water is absorbed by sawdust ANSWER DOWNLOAD EXAMIANS APP
Physics Shaving mirror is Convex Parabolic Concave Plane Convex Parabolic Concave Plane ANSWER DOWNLOAD EXAMIANS APP
Physics Sir C.V. Raman was awarded Nobel Prize for his work connected with which of the following phenomenon of radiation? Diffraction Interference Polarization Scattering Diffraction Interference Polarization Scattering ANSWER DOWNLOAD EXAMIANS APP
Physics When a ball is thrown vertically upwards, which of the following quantities remains constant during its motion? Displacement Acceleration Velocity Energy Displacement Acceleration Velocity Energy ANSWER DOWNLOAD EXAMIANS APP
Physics Who measured the velocity of light first ? Romer Galileo Einstein Newton Romer Galileo Einstein Newton ANSWER DOWNLOAD EXAMIANS APP
Physics A cup of hot coffee is placed on a metal table in a room. By which of the following methods does it lose heat? Conduction and radiation only Conduction, convection and radiation Convection and radiation only Conduction and convection only Conduction and radiation only Conduction, convection and radiation Convection and radiation only Conduction and convection only ANSWER DOWNLOAD EXAMIANS APP
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