Physics Which phenomenon is responsible for the echo of sound wave? Reflection Interference Refraction Polarisation Reflection Interference Refraction Polarisation ANSWER DOWNLOAD EXAMIANS APP
Physics The Hydraulic Break works on the principle of ________ . Pascal's Law Bernouli's law Coulomb's law Boyle's law Pascal's Law Bernouli's law Coulomb's law Boyle's law ANSWER DOWNLOAD EXAMIANS APP
Physics Which sources produce alternating current (AC)? Solar power plants Hydro-electric generators Batteries All of these Solar power plants Hydro-electric generators Batteries All of these ANSWER DOWNLOAD EXAMIANS APP
Physics Two metallic plate of equal thickness and coefficient thermal conductivity K1 and K2 put together face to face. A common plate is constructed. What is equivalent K? None K1+k2/k1k2 K1k2/k1+k2 2k1k2/k1+k2 None K1+k2/k1k2 K1k2/k1+k2 2k1k2/k1+k2 ANSWER DOWNLOAD EXAMIANS APP
Physics If a carrier wave of 1000 kHz is used to carry the signal, the length of transmitting antenna will be equal to ________. 0.3 m 3 m 30 m 300 m 0.3 m 3 m 30 m 300 m ANSWER DOWNLOAD EXAMIANS APP
Physics A current carrying conductor is associated with An electric field An electrostatic field A magnetic field An electro-magnetic field An electric field An electrostatic field A magnetic field An electro-magnetic field ANSWER DOWNLOAD EXAMIANS APP
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