Physics Sound waves do not show the phenomenon of Interference Polarisation Diffraction Refraction Interference Polarisation Diffraction Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics In which one of the following the phenomenon of total internal reflection of light is used ? Formation of mirage Twinkling of stars Working of binoculars Formation of rainbow Formation of mirage Twinkling of stars Working of binoculars Formation of rainbow ANSWER DOWNLOAD EXAMIANS APP
Physics What is the resistance (in ohm) of an electrical component if a current of 0.1 A passes through it on application of 5 V of potential difference across it? 0.5 1 50 100 0.5 1 50 100 ANSWER DOWNLOAD EXAMIANS APP
Physics Acceptable noise level for human ear = 85 db None of these > 85 db < 85 db = 85 db None of these > 85 db < 85 db ANSWER DOWNLOAD EXAMIANS APP
Physics When a person sitting on a swing stands up on the swing, the frequency of oscillation Increases Does not change Decreases Becomes infinite Increases Does not change Decreases Becomes infinite ANSWER DOWNLOAD EXAMIANS APP
Physics Sound travels fastest in Glass Air Vacuum Water Glass Air Vacuum Water ANSWER DOWNLOAD EXAMIANS APP
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