Physics A white and smooth surface is Good absorber and good reflector of heat Bad absorber and good reflector of heat Good absorber and bad reflector of heat Bad absorber and bad reflector of heat Good absorber and good reflector of heat Bad absorber and good reflector of heat Good absorber and bad reflector of heat Bad absorber and bad reflector of heat ANSWER DOWNLOAD EXAMIANS APP
Physics 'Mirage' is an example of Dispersion of light only Refraction and total internal reflection of light Refraction of light only Total internal reflection of light only Dispersion of light only Refraction and total internal reflection of light Refraction of light only Total internal reflection of light only ANSWER DOWNLOAD EXAMIANS APP
Physics The substance which conducts current in the solid state is Graphite Sodium chloride Diamond Iodine Graphite Sodium chloride Diamond Iodine ANSWER DOWNLOAD EXAMIANS APP
Physics A dynamo is used to convert Electrical energy into magnetic energy Magnetic energy into mechanical energy Mechanical energy into electrical energy Electrical energy into mechanical energy Electrical energy into magnetic energy Magnetic energy into mechanical energy Mechanical energy into electrical energy Electrical energy into mechanical energy ANSWER DOWNLOAD EXAMIANS APP
Physics The term photon refers to Sub atomic particle Light ray None of these Radiation Sub atomic particle Light ray None of these Radiation ANSWER DOWNLOAD EXAMIANS APP
Physics A parallel-plate capacitor of capacitance C1 is made using two gold plates. Another parallel-plate capacitor of capacitance C2 is made using two aluminium plates with same plate separation, and all the four plates are of same area. If rg and ra are respectively the electrical resistivities of gold and aluminium, then which one of the following relations is correct? C1pa = C2pg C1>C2 C2>C1 C1 = C2 C1pa = C2pg C1>C2 C2>C1 C1 = C2 ANSWER DOWNLOAD EXAMIANS APP
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