Physics The lift of an aeroplane is caused by Pascel's law Law of gravitation Theorem of continuity Bernouli's theorem Pascel's law Law of gravitation Theorem of continuity Bernouli's theorem ANSWER DOWNLOAD EXAMIANS APP
Physics What is refractive index ? It is defined as the ratio of speed of light in the medium to the speed of light in vacuum. None of above 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. It is defined as the ratio of speed of light in the medium to the speed of light in vacuum. None of above 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. ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following options correctly explains the term heat budget? It is the balance between incoming and outgoing radiation 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 a mode of transfer of heat through matter by molecular activity. It is the balance between incoming and outgoing radiation 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 a mode of transfer of heat through matter by molecular activity. ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following is not a property of electromagnetic waves? Electromagnetic waves do not show interference and diffraction. Electromagnetic waves are transverse waves Oscillating electric field and magnetic field are perpendicular to each other. Electromagnetic waves do not require a medium to propagate. Electromagnetic waves do not show interference and diffraction. Electromagnetic waves are transverse waves Oscillating electric field and magnetic field are perpendicular to each other. Electromagnetic waves do not require a medium to propagate. ANSWER DOWNLOAD EXAMIANS APP
Physics Rainbow is produced when sunlight fall on drops of rain. Which of the following physical phenomena are responsible for this? I.Diffusion II.Refraction III.Internal reflection I and II I, II and III I and III II and III I and II I, II and III I and III II and III ANSWER DOWNLOAD EXAMIANS APP
Physics What is the other name of Galileo's law of falling bodies? Law of motion Newton's third law Newton's first law Newton's second law Law of motion Newton's third law Newton's first law Newton's second law ANSWER DOWNLOAD EXAMIANS APP