Physics Why does ice covered in sawdust not melt quickly ? The water is absorbed by sawdust Sawdust is good conductor of heat Sawdust does not allow the air to touch the ice Sawdust is a bad conductor of heat The water is absorbed by sawdust Sawdust is good conductor of heat Sawdust does not allow the air to touch the ice Sawdust is a bad conductor of heat ANSWER DOWNLOAD EXAMIANS APP
Physics Sound waves do not show the phenomenon of Diffraction Interference Polarisation Refraction Diffraction Interference Polarisation Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics When two ice cubes are pressed together, they join to form one cube. Which one of the following helps to hold them together? Dipole interaction Vander waals forces Covalent attraction Hydrogen bond formation Dipole interaction Vander waals forces Covalent attraction Hydrogen bond formation ANSWER DOWNLOAD EXAMIANS APP
Physics The Law of Kepler is related with which among the following ? Law of Gravitation Planetary Motion None Law of Conservation of energy Law of Gravitation Planetary Motion None Law of Conservation of energy ANSWER DOWNLOAD EXAMIANS APP
Physics Fuse wire is made of an alloy of Tin and Lead Copper and Silver Lead and Copper Tin and Copper Tin and Lead Copper and Silver Lead and Copper Tin and Copper ANSWER DOWNLOAD EXAMIANS APP
Physics When a vibrating tuning fork is placed on a table, a loud sound is heard. This is due to : Damped vibrations Refraction Reflection Forced vibrations Damped vibrations Refraction Reflection Forced vibrations ANSWER DOWNLOAD EXAMIANS APP