Physics In mirrors the back surface is coated with a thin layer of : Silver nitrate Silver Mercury Red oxide Silver nitrate Silver Mercury Red oxide ANSWER DOWNLOAD EXAMIANS APP
Physics Why does ice covered in sawdust not melt quickly ? 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 Sawdust does not allow the air to touch the ice Sawdust is good conductor of heat ANSWER DOWNLOAD EXAMIANS APP
Physics Mud houses are cooler in summers and warmer in winters as compared to brick houses because Evaporation of water causes cooling in summers and sunlight coming through holes causes warming in winters Mud is a poor insulator Mud is a good conductor Mud is a bad conductor Evaporation of water causes cooling in summers and sunlight coming through holes causes warming in winters Mud is a poor insulator Mud is a good conductor Mud is a bad conductor ANSWER DOWNLOAD EXAMIANS APP
Physics A wire carrying current is Neutral Negatively charged Positively charged Charged with a type depending upon current strength Neutral Negatively charged Positively charged Charged with a type depending upon current strength ANSWER DOWNLOAD EXAMIANS APP
Physics Two electric bulbs marked 25W – 220V and 100W – 220V are connected in series to a 440Vsupply. Which of the bulbs will fuse? 25 W Both 100 W Neither 25 W Both 100 W Neither ANSWER DOWNLOAD EXAMIANS APP
Physics A black body can absorb radiations of : Intermediate wavelengths only Higher wavelengths only Lower wavelengths only All wavelengths Intermediate wavelengths only Higher wavelengths only Lower wavelengths only All wavelengths ANSWER DOWNLOAD EXAMIANS APP
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