Physics Red is used as an emergency or danger signal as It is scattered Its wavelength is the longest It is a striking colour It has very high energy It is scattered Its wavelength is the longest It is a striking colour It has very high energy ANSWER DOWNLOAD EXAMIANS APP
Physics Flywheel is an important part of a steam engine because it : Accelerates the speed of the engine Helps the engine in keeping the speed uniform Gives strength to the engine Decreases the moment of inertia Accelerates the speed of the engine Helps the engine in keeping the speed uniform Gives strength to the engine Decreases the moment of inertia ANSWER DOWNLOAD EXAMIANS APP
Physics Who measured the velocity of light first ? Einstein Newton Galileo Romer Einstein Newton Galileo Romer ANSWER DOWNLOAD EXAMIANS APP
Physics The frequency used in TV and radar system lies in VHF UHF HF SHF VHF UHF HF SHF ANSWER DOWNLOAD EXAMIANS APP
Physics Water from soil enters into the root hairs owing to : Atmospheric pressure Osmotic pressure Capillary pressure Root pressure Atmospheric pressure Osmotic pressure Capillary pressure Root pressure ANSWER DOWNLOAD EXAMIANS APP
Physics Red light is used for signals because it has Low refraction in the medium High intensity High frequency Long wavelength Low refraction in the medium High intensity High frequency Long wavelength ANSWER DOWNLOAD EXAMIANS APP