Physics If a person moves a trolley for a distance of 10 m with a force of 50 N, then the work done is 5 J 0.2 J 500 J 20 J 5 J 0.2 J 500 J 20 J ANSWER DOWNLOAD EXAMIANS APP
Physics Which determines the frequency of a sound wave? Medium Source Speed Amplitude Medium Source Speed Amplitude ANSWER DOWNLOAD EXAMIANS APP
Physics Parabolic mirrors are used in Driving mirrors Shaving mirros Dentists mirros Car headlights Driving mirrors Shaving mirros Dentists mirros Car headlights ANSWER DOWNLOAD EXAMIANS APP
Physics What is the minimum distance (in metres) required to hear an echo? 13 21 17 10 13 21 17 10 ANSWER DOWNLOAD EXAMIANS APP
Physics Which type of reaction produces the most harmful radiation ? Chemical reaction Fusion reaction Photo-Chemical reaction Fission reaction Chemical reaction Fusion reaction Photo-Chemical reaction Fission reaction ANSWER DOWNLOAD EXAMIANS APP
Physics When a vibrating tuning fork is placed on a table, a loud sound is heard. This is due to : Damped vibrations Forced vibrations Reflection Refraction Damped vibrations Forced vibrations Reflection Refraction ANSWER DOWNLOAD EXAMIANS APP