Physics Why are we able to hear short wave broadcasts better than long wave broadcasts ? By convention, short waves are meant for long distances, whereas long waves are reserved for short distances. Short waves are unaffected by atmospheric disturbances. Short wave broadcasts are made by nearby radio stations. Short waves are more energetic than long waves. By convention, short waves are meant for long distances, whereas long waves are reserved for short distances. Short waves are unaffected by atmospheric disturbances. Short wave broadcasts are made by nearby radio stations. Short waves are more energetic than long waves. ANSWER DOWNLOAD EXAMIANS APP
Physics Find the current (in A) when a charge of 1200C flows in 6 seconds. 7200 3600 100 200 7200 3600 100 200 ANSWER DOWNLOAD EXAMIANS APP
Physics Who among the following developed the technology of underground nuclear explosion ? Dr. Vikram Sarabhai Dr. Homi J. Bhabha Dr. P. K. Iyengar Dr. Raja Ramanna Dr. Vikram Sarabhai Dr. Homi J. Bhabha Dr. P. K. Iyengar Dr. Raja Ramanna ANSWER DOWNLOAD EXAMIANS APP
Physics Rate at which velocity changes over time? Jerk Speed Displacement Acceleration Jerk Speed Displacement Acceleration ANSWER DOWNLOAD EXAMIANS APP
Physics For photoelectric effect to take place, the metal used as the cathode should have ________ High melting point Low melting point Low resistance Low work function High melting point Low melting point Low resistance Low work function ANSWER DOWNLOAD EXAMIANS APP
Physics The increasing order of the refractive index of certain materials is (left to right) ________ Kerosene, Ice, Benzene, Rock Salt Rock Salt, Ice, Benzene, Kerosene Ice, Kerosene, Benzene, Rock Salt Rocksalt, Benzene, Kerosene, Ice Kerosene, Ice, Benzene, Rock Salt Rock Salt, Ice, Benzene, Kerosene Ice, Kerosene, Benzene, Rock Salt Rocksalt, Benzene, Kerosene, Ice ANSWER DOWNLOAD EXAMIANS APP