Physics Bats can sense obstacles because they produce Micro sound waves Supersonic sound waves Infrasonic sound waves Ultrasonic sound waves Micro sound waves Supersonic sound waves Infrasonic sound waves Ultrasonic sound waves ANSWER DOWNLOAD EXAMIANS APP
Physics The damage of the human body due to radiation (X-rays or grays etc,) is measured in : Roentgen Curie Rems Rads Roentgen Curie Rems Rads ANSWER DOWNLOAD EXAMIANS APP
Physics Friction is caused by the ________ on the two surfaces in contact. Irregularities Densities Smoothness Gaps Irregularities Densities Smoothness Gaps ANSWER DOWNLOAD EXAMIANS APP
Physics Alpha particle is the nucleus of an atom of Hydrogen Oxygen Lithium Helium Hydrogen Oxygen Lithium Helium ANSWER DOWNLOAD EXAMIANS APP
Physics A voltaic cell converts chemical energy to Electrical energy Heat energy Light energy Mechanical energy Electrical energy Heat energy Light energy Mechanical energy ANSWER DOWNLOAD EXAMIANS APP
Physics Light from the star, Alpha Centauri, which is nearest to the earth after the sun, reaches the earth in 42 seconds 42 years 4.2 seconds 4.2 years 42 seconds 42 years 4.2 seconds 4.2 years ANSWER DOWNLOAD EXAMIANS APP
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