Physics The function of ball bearings in a wheel is : To increase friction Just for convenience To convert kinetic friction into rolling friction To convert static friction into kinetic friction To increase friction Just for convenience To convert kinetic friction into rolling friction To convert static friction into kinetic friction ANSWER DOWNLOAD EXAMIANS APP
Physics Who among the following is credited for the Corpuscular theory of light? Albert Einstein Isaac Newton James Clerk Maxwell Christiaan Hyugens Albert Einstein Isaac Newton James Clerk Maxwell Christiaan Hyugens ANSWER DOWNLOAD EXAMIANS APP
Physics While catching a ball, a player pulls down his hands to lower the– Force Impulse Momentum Catching time Force Impulse Momentum Catching time ANSWER DOWNLOAD EXAMIANS APP
Physics In a refrigerator what produces the cooling ? The ice which deposits on the freezer The evaporation of a volatile liquid The sudden expansion of a compressed gas None of these The ice which deposits on the freezer The evaporation of a volatile liquid The sudden expansion of a compressed gas None of these ANSWER DOWNLOAD EXAMIANS APP
Physics The speed of sound in air depends on Wavelength None of these Frequency Temperature Wavelength None of these Frequency Temperature ANSWER DOWNLOAD EXAMIANS APP
Physics Radio waves sent out by a radio stations are reflected by Ionosphere Troposphere Mesosphere Stratosphere Ionosphere Troposphere Mesosphere Stratosphere ANSWER DOWNLOAD EXAMIANS APP