Physics The optical phenomenon that is primarily responsible for the observation of rainbow on a rainy day is Dispersion Reflection Interference Diffraction Dispersion Reflection Interference Diffraction ANSWER DOWNLOAD EXAMIANS APP
Physics What is the minimum velocity required for a rocket to overcome earth's gravity and travel into space? 35 km/sec 18 km/sec 11.2 km/sec 21 km/sec 35 km/sec 18 km/sec 11.2 km/sec 21 km/sec ANSWER DOWNLOAD EXAMIANS APP
Physics Submerged objects can be located using Sonar Radar Pulsar Quasar Sonar Radar Pulsar Quasar ANSWER DOWNLOAD EXAMIANS APP
Physics Planets do not twinkle because They are very far away from the earth resulting in decrease in intensity of light They are nearer to earth and hence we receive a greater amount of light. Their distance from the earth does not change with time They emit light of a constant intensity They are very far away from the earth resulting in decrease in intensity of light They are nearer to earth and hence we receive a greater amount of light. Their distance from the earth does not change with time They emit light of a constant intensity ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these is not a simple machine? A lever The pulley A ramp A pair of scissors A lever The pulley A ramp A pair of scissors ANSWER DOWNLOAD EXAMIANS APP
Physics Optical fibre works on which of the following principle of light? Total internal reflection Reflection Diffraction Refraction Total internal reflection Reflection Diffraction Refraction ANSWER DOWNLOAD EXAMIANS APP