Physics The sounds having a frequency of 20 Hertz to 20,000 Hertz are known as Infrasonics Ultrasonics Megasonics Audible sounds Infrasonics Ultrasonics Megasonics Audible sounds ANSWER DOWNLOAD EXAMIANS APP
Physics Newton's first law of motion gives the concept of Work Inertia Energy Momentum Work Inertia Energy Momentum ANSWER DOWNLOAD EXAMIANS APP
Physics Sound travels at the fastest speed in steel air vacuum water steel air vacuum water ANSWER DOWNLOAD EXAMIANS APP
Physics If there is a circular hole in a metal plate, what happens to the radius of the hole when the plate is heated? Increases Depends upon the metal Unchanged Decreases Increases Depends upon the metal Unchanged Decreases ANSWER DOWNLOAD EXAMIANS APP
Physics In a nuclear reactor, one of the following is used as a fuel. Radium Uranium Coal Diesel Radium Uranium Coal Diesel ANSWER DOWNLOAD EXAMIANS APP
Physics Bending of light rays in denser medium is termed as: Dispersion Deflection Refraction Reflection Dispersion Deflection Refraction Reflection ANSWER DOWNLOAD EXAMIANS APP
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