Physics A person standing on a railway platform listens to the whistles of arriving and departing trains. The whistle heard is The same in both cases in all respects Of higher intensity when train arrives Of higher pitch when train departs Of higher pitch when train arrives The same in both cases in all respects Of higher intensity when train arrives Of higher pitch when train departs Of higher pitch when train arrives ANSWER DOWNLOAD EXAMIANS APP
Physics Ozone layer in the outer atmosphere helps us in Absorbing cosmic ray particles Absorbing UV radiations Reflecting radio waves and makes radio communication possible Regulating the temperature of atmosphere Absorbing cosmic ray particles Absorbing UV radiations Reflecting radio waves and makes radio communication possible Regulating the temperature of atmosphere ANSWER DOWNLOAD EXAMIANS APP
Physics What is the minimum velocity required for a rocket to overcome earth's gravity and travel into space? 18 km/sec 35 km/sec 21 km/sec 11.2 km/sec 18 km/sec 35 km/sec 21 km/sec 11.2 km/sec ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not a valid conservation law of classical physics? Law of conservation of energy Law of conservation of charge Law of conservation of angular momentum Law of conservation of current Law of conservation of energy Law of conservation of charge Law of conservation of angular momentum Law of conservation of current ANSWER DOWNLOAD EXAMIANS APP
Physics The pressure of a fluid varies with depth h as P = PQ+pgh, where p is the fluid density. This expression is associated with Newton's law Pascal's law Archimedes' principle Bernoulli's principle Newton's law Pascal's law Archimedes' principle Bernoulli's principle ANSWER DOWNLOAD EXAMIANS APP
Physics What is the minimum escape velocity of rocket to be launched into space ? 5 Km/Sec. 15 Km/Sec. 11 Km/Sec. 6 Km/Sec. 5 Km/Sec. 15 Km/Sec. 11 Km/Sec. 6 Km/Sec. ANSWER DOWNLOAD EXAMIANS APP
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