Physics Period of oscillation of 3 cm microwaves in seconds is 0.001 1 × 1010 0.01 1 × 10–10 0.001 1 × 1010 0.01 1 × 10–10 ANSWER DOWNLOAD EXAMIANS APP
Physics Radiocarbon is produced in the atmosphere as a result of Collision between fast neutrons and nitrogen nuclei present in the atmosphere. Lightning discharge in atmosphere. Action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere. Action of ultraviolet light from the sun on atmospheric oxygen. Collision between fast neutrons and nitrogen nuclei present in the atmosphere. Lightning discharge in atmosphere. Action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere. Action of ultraviolet light from the sun on atmospheric oxygen. ANSWER DOWNLOAD EXAMIANS APP
Physics A particle is thrown vertically upward. When it reaches the highest point, it has A horizontal velocity A downward acceleration A downward velocity An upward acceleration A horizontal velocity A downward acceleration A downward velocity An upward acceleration ANSWER DOWNLOAD EXAMIANS APP
Physics Magnetic domains normally occur in Copper Iron Silver All of these Copper Iron Silver All of these ANSWER DOWNLOAD EXAMIANS APP
Physics A cup of hot coffee is placed on a metal table in a room. By which of the following methods does it lose heat? Convection and radiation only Conduction, convection and radiation Conduction and convection only Conduction and radiation only Convection and radiation only Conduction, convection and radiation Conduction and convection only Conduction and radiation only ANSWER DOWNLOAD EXAMIANS APP
Physics On which day 'National Science Day' is celebrated in India ? 43884 43889 43886 43887 43884 43889 43886 43887 ANSWER DOWNLOAD EXAMIANS APP
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