Physics Planets are luminous heavenly bodies revolving around a star non-luminous heavenly bodies luminous heavenly bodies that twinkle luminous heavenly bodies that do not twinkle luminous heavenly bodies revolving around a star non-luminous heavenly bodies luminous heavenly bodies that twinkle luminous heavenly bodies that do not twinkle ANSWER DOWNLOAD EXAMIANS APP
Physics The mercury and sodium street lamps light up because of : Electron emission Electron absorption Atomic emission Atomic absorption Electron emission Electron absorption Atomic emission Atomic absorption ANSWER DOWNLOAD EXAMIANS APP
Physics The ''Greenhouse effect' is mainly due to increase in atmospheric Ozone Sulphur dioxide Carbon dioxide Nitrogen Ozone Sulphur dioxide Carbon dioxide Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Physics The device used to convert solar energy into electricity is Photovoltaic cell Galvanic cell Electrochemical cell Daniell cell Photovoltaic cell Galvanic cell Electrochemical cell Daniell cell ANSWER DOWNLOAD EXAMIANS APP
Physics A bullet is fired from a rifle which recoils after firing. The ratio of kinetic energy of the rifle to that of the bullet is Zero One More than one Less than one Zero One More than one Less than one ANSWER DOWNLOAD EXAMIANS APP
Physics Light Emitting Diodes (LED) is used in fancy electronic devices such as toys emit ultraviolet light X-rays radio waves visible light ultraviolet light X-rays radio waves visible light ANSWER DOWNLOAD EXAMIANS APP
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