Physics The function of ball bearings in a wheel is : To convert static friction into kinetic friction To convert kinetic friction into rolling friction To increase friction Just for convenience To convert static friction into kinetic friction To convert kinetic friction into rolling friction To increase friction Just for convenience ANSWER DOWNLOAD EXAMIANS APP
Physics Which sources produce alternating current (AC)? Solar power plants Batteries Hydro-electric generators All of these Solar power plants Batteries Hydro-electric generators All of these ANSWER DOWNLOAD EXAMIANS APP
Physics The cover of a solar cooker is made of glass because It retains the heat inside by the green house effect It absorbs sun's rays It reflects sun's rays It rediates heat better than metals It retains the heat inside by the green house effect It absorbs sun's rays It reflects sun's rays It rediates heat better than metals ANSWER DOWNLOAD EXAMIANS APP
Physics In a freezer ice cubes will be formed more quickly in trays made of Rubber Plastic Wood Aluminium Rubber Plastic Wood Aluminium ANSWER DOWNLOAD EXAMIANS APP
Physics X-rays region lies between Short radio waves and long radio waves Visible and infra-red region Gamma-rays and ultraviolet region Ultraviolet and visible region Short radio waves and long radio waves Visible and infra-red region Gamma-rays and ultraviolet region Ultraviolet and visible region ANSWER DOWNLOAD EXAMIANS APP
Physics Hertz is a unit for measuring Wavelength Intensity of waves Clarity of waves Frequency of waves Wavelength Intensity of waves Clarity of waves Frequency of waves ANSWER DOWNLOAD EXAMIANS APP
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