Physics The atmosphere is heated mainly by Conduction Convection Insolation Radiation Conduction Convection Insolation Radiation ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following celestial bodies contains abundant quantities of helium-3, a potential source of energy ? Earth Moon Venus Saturn Earth Moon Venus Saturn ANSWER DOWNLOAD EXAMIANS APP
Physics Materials that usually are good conductors of electricity? Wood Lead Aluminium Nickel Wood Lead Aluminium Nickel ANSWER DOWNLOAD EXAMIANS APP
Physics A piece of paper and a cricket ball are dropped from the same height. Under which of the following conditions do both reach the surface simultaneously ? They must have the same density They must have the same volume They must be dropped in vacuum They must have the same mass They must have the same density They must have the same volume They must be dropped in vacuum They must have the same mass ANSWER DOWNLOAD EXAMIANS APP
Physics Two metallic plate of equal thickness and coefficient thermal conductivity K1 and K2 put together face to face. A common plate is constructed. What is equivalent K? K1+k2/k1k2 2k1k2/k1+k2 K1k2/k1+k2 None K1+k2/k1k2 2k1k2/k1+k2 K1k2/k1+k2 None ANSWER DOWNLOAD EXAMIANS APP
Physics The theory of relativity is presented by which scientist Stephen Hawking Marie Curie Isaac Newton Albert Einstein Stephen Hawking Marie Curie Isaac Newton Albert Einstein ANSWER DOWNLOAD EXAMIANS APP