Physics The velocity of the sound is highest in Air Vacuum Metal Water Air Vacuum Metal Water ANSWER DOWNLOAD EXAMIANS APP
Physics What is refractive index ? It is defined as the product of speed of light in medium and in vacuum. None of above It is defined as the ratio of speed of light in the medium to the speed of light in vacuum. It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. It is defined as the product of speed of light in medium and in vacuum. None of above It is defined as the ratio of speed of light in the medium to the speed of light in vacuum. It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. ANSWER DOWNLOAD EXAMIANS APP
Physics Rain drops acquire spherical shape due to Viscosity Surface tension Elasticity Friction Viscosity Surface tension Elasticity Friction ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following pairs of physical quantities have the same dimensions? Momentum and Power Force and Power Work and Energy Work and Power Momentum and Power Force and Power Work and Energy Work and Power ANSWER DOWNLOAD EXAMIANS APP
Physics Bats can sense obstacles because they produce Infrasonic sound waves Supersonic sound waves Micro sound waves Ultrasonic sound waves Infrasonic sound waves Supersonic sound waves Micro sound waves Ultrasonic sound waves ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following options correctly explains the term heat budget? It is the radiation from the earth in the form of long waves. It is the balance between incoming and outgoing radiation It is a mode of transfer of heat through matter by molecular activity. It is the amount of heat which the surface of earth receives from the sun. It is the radiation from the earth in the form of long waves. It is the balance between incoming and outgoing radiation It is a mode of transfer of heat through matter by molecular activity. It is the amount of heat which the surface of earth receives from the sun. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS