Physics Echo is heard due to Interference Refraction Scattering Reflection Interference Refraction Scattering Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics A copper disc has a hole. If the disc is heated, the size of the hole First increases and than decreases No change Decreases Increases First increases and than decreases No change Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following instruments is used to measure humidity ? Sling Psychrometer Kata Thermometer Clinical Thermometer Anemometer Sling Psychrometer Kata Thermometer Clinical Thermometer Anemometer ANSWER DOWNLOAD EXAMIANS APP
Physics Large astronomical telescopes always use as objective None of these mirror lens combinations of lenses None of these mirror lens combinations of lenses ANSWER DOWNLOAD EXAMIANS APP
Physics The colour of sky appears blue due to Refraction Reflection Dispersion Scattering of shorter wave lengths Refraction Reflection Dispersion Scattering of shorter wave lengths ANSWER DOWNLOAD EXAMIANS APP
Physics When a ball is thrown vertically upwards, which of the following quantities remains constant during its motion? Displacement Energy Velocity Acceleration Displacement Energy Velocity Acceleration ANSWER DOWNLOAD EXAMIANS APP
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