Physics Tungsten is used for the manufacture of the filament of an electric bulb, because It has a very high melting point It is economical It is malleable It is a good conductor It has a very high melting point It is economical It is malleable It is a good conductor ANSWER DOWNLOAD EXAMIANS APP
Physics A bomb explodes on the moon. You will hear its sound on earth after ________ 2 hours 20 minutes You cannot hear the sound of explosion 20 minutes 3.7 hours 2 hours 20 minutes You cannot hear the sound of explosion 20 minutes 3.7 hours ANSWER DOWNLOAD EXAMIANS APP
Physics In which of the following processes is energy released ? Respiration Photosynthesis Absorption Ingestion Respiration Photosynthesis Absorption Ingestion ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is the cleanest source of energy? Fossil fuel Nuclear power Biofuel Wind energy Fossil fuel Nuclear power Biofuel Wind energy 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? Covalent attraction Hydrogen bond formation Dipole interaction Vander waals forces Covalent attraction Hydrogen bond formation Dipole interaction Vander waals forces ANSWER DOWNLOAD EXAMIANS APP
Physics Heat transfer by conduction occurs when molecules Collide None of these Heated Combine Collide None of these Heated Combine ANSWER DOWNLOAD EXAMIANS APP