Physics Danger signals are generally red as red light Is least bright Gives comfort to eye Undergoes least deviation Has lowest velocity Is least bright Gives comfort to eye Undergoes least deviation Has lowest velocity ANSWER DOWNLOAD EXAMIANS APP
Physics A photostat machine works on Electromagnetic image making Thermal image making Electrostatic image making Magnetic image making Electromagnetic image making Thermal image making Electrostatic image making Magnetic image making ANSWER DOWNLOAD EXAMIANS APP
Physics What is the size of Electron as comapared to Proton and Neutron? 8402 1/355 1/1236 1/1836 8402 1/355 1/1236 1/1836 ANSWER DOWNLOAD EXAMIANS APP
Physics Certain substances loose their electrical resistance completely at super low temperature. Such substances are called. Perfect conductors Superconductors Dielectrics Semi conductors Perfect conductors Superconductors Dielectrics Semi conductors ANSWER DOWNLOAD EXAMIANS APP
Physics A pond of water appears less deep due to Reflection Refraction Diffraction Polarisation Reflection Refraction Diffraction Polarisation ANSWER DOWNLOAD EXAMIANS APP
Physics When a ring of metal is heated what happens to its hole ? Expands It expands or contracts according to its coefficient of expansion Contracts It expands or contracts according to its diameter Expands It expands or contracts according to its coefficient of expansion Contracts It expands or contracts according to its diameter ANSWER DOWNLOAD EXAMIANS APP