Physics What is the minimum velocity required for a rocket to overcome earth's gravity and travel into space? 21 km/sec 11.2 km/sec 18 km/sec 35 km/sec 21 km/sec 11.2 km/sec 18 km/sec 35 km/sec ANSWER DOWNLOAD EXAMIANS APP
Physics The device which transfer the signal from low resistance region to high resistance region is Diode Transistor Inductor Capacitor Diode Transistor Inductor Capacitor ANSWER DOWNLOAD EXAMIANS APP
Physics The component used for tuning a radio is basically a variable Transformer Condenser Inductor Resisto Transformer Condenser Inductor Resisto ANSWER DOWNLOAD EXAMIANS APP
Physics Rainbow is produced when sunlight fall on drops of rain. Which of the following physical phenomena are responsible for this? I.Diffusion II.Refraction III.Internal reflection I and II I and III II and III I, II and III I and II I and III II and III I, II and III ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not true about X-rays? Travel with the speed of light Can be reflected or refracted Can affect photographic plates Have low penetrating power Travel with the speed of light Can be reflected or refracted Can affect photographic plates Have low penetrating power ANSWER DOWNLOAD EXAMIANS APP
Physics Heat energy is transferred by conduction whenever molecules Means of photons All of these Particles replaces there places Collide each other Means of photons All of these Particles replaces there places Collide each other ANSWER DOWNLOAD EXAMIANS APP
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