Physics To measure the speed of an approaching car a police officer shines Ultra high frequency waves on it Microwaves on it Radio waves on it Light waves on it Ultra high frequency waves on it Microwaves on it Radio waves on it Light waves on it ANSWER DOWNLOAD EXAMIANS APP
Physics Gasoline is useful in cars because it has Chemical potential energy Gravitational potential energy Electrical potential energy Kinetic energy Chemical potential energy Gravitational potential energy Electrical potential energy Kinetic energy ANSWER DOWNLOAD EXAMIANS APP
Physics The ordinary and maximum tolerance limit of sound by human being is 50 db to 70 db (decibel) 70 db to 85 db (decibel) 65 db to 75 db (decibel) 60 db to 80 db (decibel) 50 db to 70 db (decibel) 70 db to 85 db (decibel) 65 db to 75 db (decibel) 60 db to 80 db (decibel) ANSWER DOWNLOAD EXAMIANS APP
Physics The function of ball bearings in a wheel is : 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 To increase friction Just for convenience 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 Less than one One More than one Zero Less than one One More than one ANSWER DOWNLOAD EXAMIANS APP
Physics The motion of the wheels of a bullock-cart while moving on the road is an example of Translatory motion only Oscillatory and rotatory motion Oscillatory and translatory motion Translatory and rotatory motion Translatory motion only Oscillatory and rotatory motion Oscillatory and translatory motion Translatory and rotatory motion ANSWER DOWNLOAD EXAMIANS APP
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