Physics A white and smooth surface is Bad absorber and bad reflector of heat Bad absorber and good reflector of heat Good absorber and good reflector of heat Good absorber and bad reflector of heat Bad absorber and bad reflector of heat Bad absorber and good reflector of heat Good absorber and good reflector of heat Good absorber and bad reflector of heat ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a renewable resource of energy? Wind energy Hydrogen fuel Solar energy All of these Wind energy Hydrogen fuel Solar energy All of these ANSWER DOWNLOAD EXAMIANS APP
Physics Heat from the sun reaches earth by the process of Radiation All of these Conduction Convection Radiation All of these Conduction Convection ANSWER DOWNLOAD EXAMIANS APP
Physics On which day 'National Science Day' is celebrated in India ? 43886 43887 43889 43884 43886 43887 43889 43884 ANSWER DOWNLOAD EXAMIANS APP
Physics Ohm's law is valid in case of Conductor Superconductor Insulator Semiconductor Conductor Superconductor Insulator Semiconductor ANSWER DOWNLOAD EXAMIANS APP
Physics If the length of a simple pendulum is halved then its period of oscillation is Increased by a factor 2 Halved Decreased by a factor 2 Doubled Increased by a factor 2 Halved Decreased by a factor 2 Doubled ANSWER DOWNLOAD EXAMIANS APP