Physics The speed of light in air is 3 × 10–8 m/s Infinity 8 × 103 m/s 3 × 108 m/s 3 × 10–8 m/s Infinity 8 × 103 m/s 3 × 108 m/s ANSWER DOWNLOAD EXAMIANS APP
Physics Who among the following discovered X-rays? James Chadwick W.C Roentgen J.J Thomson Marie Curie James Chadwick W.C Roentgen J.J Thomson Marie Curie ANSWER DOWNLOAD EXAMIANS APP
Physics Heat energy is transferred by conduction whenever molecules Means of photons Particles replaces there places Collide each other All of these Means of photons Particles replaces there places Collide each other All of these ANSWER DOWNLOAD EXAMIANS APP
Physics During hot weather, the fan produces a feeling of comfort. This is because Our perspiration eva-porates rapidly Conductivity of air increases Fan supplies cool air Fan cools the air Our perspiration eva-porates rapidly Conductivity of air increases Fan supplies cool air Fan cools the air ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is an example of simple harmonic motion? Ball bouncing on floor Motion of a ceiling fan Earth spinning on its axis Simple pendulum motion Ball bouncing on floor Motion of a ceiling fan Earth spinning on its axis Simple pendulum motion ANSWER DOWNLOAD EXAMIANS APP
Physics Total internal reflection can not take place when light goes from : Glass to water Glass to air Water to air Water to glass Glass to water Glass to air Water to air Water to glass ANSWER DOWNLOAD EXAMIANS APP
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