Physics Why does'nt the hydrogen atom emit X-rays? It is highly electropositive It has only one electron Its energy levels are very close to each other It is very small in size It is highly electropositive It has only one electron Its energy levels are very close to each other It is very small in size ANSWER DOWNLOAD EXAMIANS APP
Physics A single fixed pulley is used to draw water from a well because Mechanical advantage is high Efficiency is 100% Force is applied in a convenient direction Velocity ratio is low Mechanical advantage is high Efficiency is 100% Force is applied in a convenient direction Velocity ratio is low ANSWER DOWNLOAD EXAMIANS APP
Physics Sound cannot pass through Vacuum Air Water Steel Vacuum Air Water Steel ANSWER DOWNLOAD EXAMIANS APP
Physics A body is initially moving with a velocity of 5 m/s. It undergoes an acceleration of 2 m/s2 for 4 seconds. Find the displacement (in m) of this body in these 4 seconds. 72 8 4 36 72 8 4 36 ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of sound in moist air is more than in dry air because the moist air has Less pressure than dry air. More density than dry air. More pressure than dry air. Less density than dry air. Less pressure than dry air. More density than dry air. More pressure than dry air. Less density than dry air. ANSWER DOWNLOAD EXAMIANS APP
Physics Electrical burns occur principally because of Radiation pulses of the electricity The high energy of electrons All of these The heat generated by the flow of electrical current through the body Radiation pulses of the electricity The high energy of electrons All of these The heat generated by the flow of electrical current through the body ANSWER DOWNLOAD EXAMIANS APP
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