Physics The sounds having a frequency of 20 Hertz to 20,000 Hertz are known as Audible sounds Infrasonics Ultrasonics Megasonics Audible sounds Infrasonics Ultrasonics Megasonics ANSWER DOWNLOAD EXAMIANS APP
Physics Which one type of radiation has the longest wave length Ultraviolet Radio Wave X-ray Infrared Ultraviolet Radio Wave X-ray Infrared ANSWER DOWNLOAD EXAMIANS APP
Physics On a cold day when the room temperature is 15°C, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15°C, because : Metals are good conductors of heat Metals have higher thermal capacity than plastics Plastics have a higher thermal conductivity than metals Plastics have a lower density than metals Metals are good conductors of heat Metals have higher thermal capacity than plastics Plastics have a higher thermal conductivity than metals Plastics have a lower density than metals ANSWER DOWNLOAD EXAMIANS APP
Physics The earth is a Good reflector of heat Non-absorber of heat Bad absorber and bad radiator of heat Good absorber and good radiator of heat Good reflector of heat Non-absorber of heat Bad absorber and bad radiator of heat Good absorber and good radiator of heat ANSWER DOWNLOAD EXAMIANS APP
Physics On the Kelvin scale, the melting point of ice is 0 K 100K 373K 273K 0 K 100K 373K 273K ANSWER DOWNLOAD EXAMIANS APP
Physics What is the reason for formation of Mirage in desert? Refraction of light Reflection of light Both Refraction and Total internal reflection of light Total internal reflection of light Refraction of light Reflection of light Both Refraction and Total internal reflection of light Total internal reflection of light ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS