Physics Acceptable noise level for human ear None of these > 85 db < 85 db = 85 db None of these > 85 db < 85 db = 85 db ANSWER DOWNLOAD EXAMIANS APP
Physics Large astronomical telescopes always use as objective None of these combinations of lenses mirror lens None of these combinations of lenses mirror lens ANSWER DOWNLOAD EXAMIANS APP
Physics Sound is heard over longer distances on rainy days because Sound travels faster in moist air Moist air does not absorb sound Sound travels slowly in moist air Moist air absorbs sound Sound travels faster in moist air Moist air does not absorb sound Sound travels slowly in moist air Moist air absorbs sound ANSWER DOWNLOAD EXAMIANS APP
Physics Friction is caused by the ________ on the two surfaces in contact. Densities Irregularities Gaps Smoothness Densities Irregularities Gaps Smoothness ANSWER DOWNLOAD EXAMIANS APP
Physics What is the SI unit of temperature? Joule Kelvin Celsius Fahrenheit Joule Kelvin Celsius Fahrenheit ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not true about X-rays? Can be reflected or refracted Have low penetrating power Can affect photographic plates Travel with the speed of light Can be reflected or refracted Have low penetrating power Can affect photographic plates Travel with the speed of light ANSWER DOWNLOAD EXAMIANS APP
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