Physics A piece of paper and a cricket ball are dropped from the same height. Under which of the following conditions do both reach the surface simultaneously ? They must be dropped in vacuum They must have the same mass They must have the same volume They must have the same density They must be dropped in vacuum They must have the same mass They must have the same volume They must have the same density ANSWER DOWNLOAD EXAMIANS APP
Physics The purpose of choke in a fluorescent lamp is : Ro decrease the voltage momentarily To decrease the resistance To increase the current flow To decrease the current flow Ro decrease the voltage momentarily To decrease the resistance To increase the current flow To decrease the current flow ANSWER DOWNLOAD EXAMIANS APP
Physics The rate of flow of electric charge is measured in Ampere/coulomb Coulomb Ampere Ampere-coulomb Ampere/coulomb Coulomb Ampere Ampere-coulomb ANSWER DOWNLOAD EXAMIANS APP
Physics A pond of water appears less deep due to Reflection Refraction Polarisation Diffraction Reflection Refraction Polarisation Diffraction ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is the fastest communication channel? Radio wave Optical fiber Microwave All are operating at nearly the same propagation speed Radio wave Optical fiber Microwave All are operating at nearly the same propagation speed 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? C1pa = C2pg C1>C2 C1 = C2 C2>C1 C1pa = C2pg C1>C2 C1 = C2 C2>C1 ANSWER DOWNLOAD EXAMIANS APP
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