Physics Tungsten is used for the manufacture of the filament of an electric bulb, because It is economical It is a good conductor It has a very high melting point It is malleable It is economical It is a good conductor It has a very high melting point It is malleable ANSWER DOWNLOAD EXAMIANS APP
Physics When light passes from one medium to another, this phenomenon of change in its direction is called ________ Refraction No option is correct Diffraction Propagation Refraction No option is correct Diffraction Propagation ANSWER DOWNLOAD EXAMIANS APP
Physics An object having the capability to do work is said to possess Inertia Force Energy Pressure Inertia Force Energy Pressure ANSWER DOWNLOAD EXAMIANS APP
Physics After long periods of use, a grey spot develops on the inside of a bulb. This is because Glass undergoes a change due to the heat Dust inside the bulb condenses on the top The heat of the bulb scorches the glass at the top The tungsten filament evaporates and collects there Glass undergoes a change due to the heat Dust inside the bulb condenses on the top The heat of the bulb scorches the glass at the top The tungsten filament evaporates and collects there ANSWER DOWNLOAD EXAMIANS APP
Physics Number of lattices in the orthorhombic system is 7 5 8 4 7 5 8 4 ANSWER DOWNLOAD EXAMIANS APP
Physics Mica is used in electrical appliances such as electric iron because mica is a good conductor of heat but a bad conductor of electricity a good conductor of heat as well as electricity a bad conductor of heat as well as electricity a bad conductor of heat but a good conductor of electricity a good conductor of heat but a bad conductor of electricity a good conductor of heat as well as electricity a bad conductor of heat as well as electricity a bad conductor of heat but a good conductor of electricity ANSWER DOWNLOAD EXAMIANS APP
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