Physics Heat transfer by conduction occurs when molecules None of these Heated Combine Collide None of these Heated Combine Collide ANSWER DOWNLOAD EXAMIANS APP
Physics In a refrigerator what produces the cooling ? The ice which deposits on the freezer The sudden expansion of a compressed gas None of these The evaporation of a volatile liquid The ice which deposits on the freezer The sudden expansion of a compressed gas None of these The evaporation of a volatile liquid ANSWER DOWNLOAD EXAMIANS APP
Physics Suitable impurities are added to a semiconductor depending on its use. This is done in order to enable it to withstand higher voltages increase its electrical resistivity increase its electrical conductivity increase its life enable it to withstand higher voltages increase its electrical resistivity increase its electrical conductivity increase its life ANSWER DOWNLOAD EXAMIANS APP
Physics Night photography and photopraphy in mist and fog are possible using Microwave radiation Ultra-violet radiation Gamma radiation Infra-red radiation Microwave radiation Ultra-violet radiation Gamma radiation Infra-red radiation ANSWER DOWNLOAD EXAMIANS APP
Physics Which one is the unit of surface tension of a liquid None of these Electron volt /cm2 Newton /m2 Joule/ mm None of these Electron volt /cm2 Newton /m2 Joule/ mm ANSWER DOWNLOAD EXAMIANS APP
Physics Two metallic plate of equal thickness and coefficient thermal conductivity K1 and K2 put together face to face. A common plate is constructed. What is equivalent K? None K1+k2/k1k2 2k1k2/k1+k2 K1k2/k1+k2 None K1+k2/k1k2 2k1k2/k1+k2 K1k2/k1+k2 ANSWER DOWNLOAD EXAMIANS APP
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