Physics Sound travels at the fastest speed in water steel vacuum air water steel vacuum air ANSWER DOWNLOAD EXAMIANS APP
Physics Sound of frequency below 20 Hz is called ultrasonic supersonics audio sounds infrasonic ultrasonic supersonics audio sounds infrasonic ANSWER DOWNLOAD EXAMIANS APP
Physics Planets are luminous heavenly bodies that do not twinkle non-luminous heavenly bodies luminous heavenly bodies revolving around a star luminous heavenly bodies that twinkle luminous heavenly bodies that do not twinkle non-luminous heavenly bodies luminous heavenly bodies revolving around a star luminous heavenly bodies that twinkle ANSWER DOWNLOAD EXAMIANS APP
Physics In a Carnot engine when heat is taken from the source, its temperature Increases Decreases Decreases and then remains constant Remains constant Increases Decreases Decreases and then remains constant Remains constant ANSWER DOWNLOAD EXAMIANS APP
Physics In a Cinema hall, the distance between the projector and the screen is increased by 2%. Then the intensity of illumination on the screen is Increased by 4% Decreased by 4% Increased by 2% Decreased by 2% Increased by 4% Decreased by 4% Increased by 2% Decreased by 2% ANSWER DOWNLOAD EXAMIANS APP
Physics In beta decay what is emitted All of these Electron Proton Neutron All of these Electron Proton Neutron ANSWER DOWNLOAD EXAMIANS APP
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