Physics Calculate the time period (in seconds) of a sound wave of wavelength 4m traveling with a speed of 500m/s 0.008 0.016 2000 1000 0.008 0.016 2000 1000 ANSWER DOWNLOAD EXAMIANS APP
Physics The splitting of white light into its components is due to: Transmission Reflection Refraction Dispersion Transmission Reflection Refraction Dispersion ANSWER DOWNLOAD EXAMIANS APP
Physics Railway tracks are banked on curves to avoid frictional force between the tracks and wheels necessary centrifugal force may be obtained from the horizontal component weight of the train the train may not fly off in the opposite direction necessary centripetal force may be obtained from the horizontal component of the weight of the train to avoid frictional force between the tracks and wheels necessary centrifugal force may be obtained from the horizontal component weight of the train the train may not fly off in the opposite direction necessary centripetal force may be obtained from the horizontal component of the weight of the train ANSWER DOWNLOAD EXAMIANS APP
Physics Danger signals are generally red as red light Is least bright Undergoes least deviation Has lowest velocity Gives comfort to eye Is least bright Undergoes least deviation Has lowest velocity Gives comfort to eye ANSWER DOWNLOAD EXAMIANS APP
Physics The ''four stroke petrol engine' is based on Carnot-cycle Otto-cycle Boyle's-cycle Diesel-cycle Carnot-cycle Otto-cycle Boyle's-cycle Diesel-cycle ANSWER DOWNLOAD EXAMIANS APP
Physics A parallel-plate capacitor of capacitance C1 is made using two gold plates. Another parallel-plate capacitor of capacitance C2 is made using two aluminium plates with same plate separation, and all the four plates are of same area. If rg and ra are respectively the electrical resistivities of gold and aluminium, then which one of the following relations is correct? C1 = C2 C2>C1 C1pa = C2pg C1>C2 C1 = C2 C2>C1 C1pa = C2pg C1>C2 ANSWER DOWNLOAD EXAMIANS APP
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