Physics Radio waves sent out by a radio stations are reflected by Troposphere Mesosphere Ionosphere Stratosphere Troposphere Mesosphere Ionosphere Stratosphere ANSWER DOWNLOAD EXAMIANS APP
Physics The group of solar cells joined together in a definite pattern is called a Solar cell panel Solar heater Battery Solar cooker Solar cell panel Solar heater Battery Solar cooker ANSWER DOWNLOAD EXAMIANS APP
Physics The time period of a seconds pendulum is 2 seconds 1.5 second 1 second 0.5 second 2 seconds 1.5 second 1 second 0.5 second ANSWER DOWNLOAD EXAMIANS APP
Physics Heat from the Sun reaches the Earth by Radiation Conduction Convection Reflection Radiation Conduction Convection Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics Superconductors are substances which offer no resistance to the flow of electricity conduct electricity at high temperatures conduct electricity at low temperature offer high resistance to the flow of current offer no resistance to the flow of electricity conduct electricity at high temperatures conduct electricity at low temperature offer high resistance to the flow of current ANSWER DOWNLOAD EXAMIANS APP
Physics Electrical Energy is the energy of Neutrons Protons All listed here Electrons Neutrons Protons All listed here Electrons ANSWER DOWNLOAD EXAMIANS APP