Physics The different colours of different stars are due to the variation of Temperature Pressure Radiation from them Density Temperature Pressure Radiation from them Density ANSWER DOWNLOAD EXAMIANS APP
Physics While catching a ball, a player pulls down his hands to lower the– Force Momentum Impulse Catching time Force Momentum Impulse Catching time ANSWER DOWNLOAD EXAMIANS APP
Physics Large astronomical telescopes always use as objective None of these mirror lens combinations of lenses None of these mirror lens combinations of lenses ANSWER DOWNLOAD EXAMIANS APP
Physics What is the unit of the physical quantity Entropy? Pascal per kelvin Joule per kelvin Newton per kelvin Watt per kelvin Pascal per kelvin Joule per kelvin Newton per kelvin Watt per kelvin ANSWER DOWNLOAD EXAMIANS APP
Physics Why does water tank appear shallower when viewed from the top? Due to total internal reflection Due to reflection Due to diffraction Due to refraction Due to total internal reflection Due to reflection Due to diffraction Due to refraction ANSWER DOWNLOAD EXAMIANS APP
Physics Radiocarbon is produced in the atmosphere as a result of Lightning discharge in atmosphere. Action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere. Collision between fast neutrons and nitrogen nuclei present in the atmosphere. Action of ultraviolet light from the sun on atmospheric oxygen. Lightning discharge in atmosphere. Action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere. Collision between fast neutrons and nitrogen nuclei present in the atmosphere. Action of ultraviolet light from the sun on atmospheric oxygen. ANSWER DOWNLOAD EXAMIANS APP
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