Physics The electric current in a metal wire is due to the flow of - Electrons Ions Protons Holes Electrons Ions Protons Holes ANSWER DOWNLOAD EXAMIANS APP
Physics The energy emitted by the Sun is due to All of these Nuclear fusion Chemical reaction Nuclear fission All of these Nuclear fusion Chemical reaction Nuclear fission ANSWER DOWNLOAD EXAMIANS APP
Physics Period of oscillation of 3 cm microwaves in seconds is 0.01 1 × 10–10 0.001 1 × 1010 0.01 1 × 10–10 0.001 1 × 1010 ANSWER DOWNLOAD EXAMIANS APP
Physics Why is it difficult to breathe at higher altitudes? Due to high humidity Due to ozone Due to low air pressure Due to low temperature Due to high humidity Due to ozone Due to low air pressure Due to low temperature ANSWER DOWNLOAD EXAMIANS APP
Physics Safety fuse wire used in domestic electrical appliances is made of metal of low Melting point Conductance Resistance Specific gravity Melting point Conductance Resistance Specific gravity ANSWER DOWNLOAD EXAMIANS APP
Physics The optical phenomenon that is primarily responsible for the observation of rainbow on a rainy day is Dispersion Interference Reflection Diffraction Dispersion Interference Reflection Diffraction ANSWER DOWNLOAD EXAMIANS APP