Physics What is refractive index ? 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 vacuum to the speed of light in the medium. 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 product of speed of light in medium and in vacuum. It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. None of above It is defined as the ratio of speed of light in the medium to the speed of light in vacuum. ANSWER DOWNLOAD EXAMIANS APP
Physics The SI unit of resistance is: Joule Ohm Coulomb Newton Joule Ohm Coulomb Newton ANSWER DOWNLOAD EXAMIANS APP
Physics The centre of gravity of a sprinter during the race lies At the centre of the body To the left side of the body Behind his feet Ahead of his feet At the centre of the body To the left side of the body Behind his feet Ahead of his feet ANSWER DOWNLOAD EXAMIANS APP
Physics Purity of a metal can be determined with the help of Boyle's law Conservation of mass principle Pascal's law Archimedes principle Boyle's law Conservation of mass principle Pascal's law Archimedes principle ANSWER DOWNLOAD EXAMIANS APP
Physics Planck's constant has the dimensions of : Energy Linear momentum Force Angular momentum Energy Linear momentum Force Angular momentum ANSWER DOWNLOAD EXAMIANS APP
Physics Find the power of a convex lens if the image formed is at a distance of 25 cm from the lens when the object is placed on the other side of the lens at 12 cm from the optical centre? -4.33 diopters 4.33 diopters 12.33 diopters -12.33 diopters -4.33 diopters 4.33 diopters 12.33 diopters -12.33 diopters ANSWER DOWNLOAD EXAMIANS APP
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