Physics The mercury and sodium street lamps light up because of : Atomic emission Electron absorption Atomic absorption Electron emission Atomic emission Electron absorption Atomic absorption Electron emission ANSWER DOWNLOAD EXAMIANS APP
Physics A bomb explodes on the moon. You will hear its sound on earth after ________ You cannot hear the sound of explosion 3.7 hours 20 minutes 2 hours 20 minutes You cannot hear the sound of explosion 3.7 hours 20 minutes 2 hours 20 minutes ANSWER DOWNLOAD EXAMIANS APP
Physics Which colour is the complementary colour of yellow ? Green Red Blue Orange Green Red Blue Orange ANSWER DOWNLOAD EXAMIANS APP
Physics Radiocarbon is produced in the atmosphere as a result of Action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere. Lightning discharge in atmosphere. Action of ultraviolet light from the sun on atmospheric oxygen. Collision between fast neutrons and nitrogen nuclei present in the atmosphere. Action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere. Lightning discharge in atmosphere. Action of ultraviolet light from the sun on atmospheric oxygen. Collision between fast neutrons and nitrogen nuclei present in the atmosphere. ANSWER DOWNLOAD EXAMIANS APP
Physics In a conductor The forbidden energy gap is very wide The valence band and the conduction band overlap each other There is no conduction band The forbidden energy gap is very narrow The forbidden energy gap is very wide The valence band and the conduction band overlap each other There is no conduction band The forbidden energy gap is very narrow ANSWER DOWNLOAD EXAMIANS APP
Physics One billionth of a second is called Nanosecond Millisecond Microsecond Picoseconds Nanosecond Millisecond Microsecond Picoseconds ANSWER DOWNLOAD EXAMIANS APP