Physics A white and smooth surface is Bad absorber and bad reflector of heat Bad absorber and good reflector of heat Good absorber and bad reflector of heat Good absorber and good reflector of heat Bad absorber and bad reflector of heat Bad absorber and good reflector of heat Good absorber and bad reflector of heat Good absorber and good reflector of heat 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. Collision between fast neutrons and nitrogen nuclei present in the atmosphere. Action of ultraviolet light from the sun on atmospheric oxygen. Action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere. Lightning discharge in 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
Physics Electromagnet is constructed with which of the following ? Nickel Steel Soft Iron Aluminium Nickel Steel Soft Iron Aluminium ANSWER DOWNLOAD EXAMIANS APP
Physics Heavy water is used in nuclear reactor to Increase speed of neutron Absorb neutron Slow down neutron Increase temperature Increase speed of neutron Absorb neutron Slow down neutron Increase temperature ANSWER DOWNLOAD EXAMIANS APP
Physics A doppler effect occurs when a source of sound moves None of these Both A & B Away from you Towards you None of these Both A & B Away from you Towards you ANSWER DOWNLOAD EXAMIANS APP
Physics If the diameter of a capillary is doubled, then the rise of water in it will be Four times No change Two times Half Four times No change Two times Half ANSWER DOWNLOAD EXAMIANS APP
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