Physics Light travels in a straight line (rectilinear propagation of light). This statement does hold if the medium of travel for light is Homogeneous and transparent Inhomogeneous and transparent Made up of slabs of different refractive indices Of variable refractive index Homogeneous and transparent Inhomogeneous and transparent Made up of slabs of different refractive indices Of variable refractive index ANSWER DOWNLOAD EXAMIANS APP
Physics The type of mirror used in automobiles to see the traffic on the rear side is Concave Plano-Convex Convex Plane Concave Plano-Convex Convex Plane ANSWER DOWNLOAD EXAMIANS APP
Physics Lens is made up of Cobalt glass Ordinary glass Flint glass Pyrex glass Cobalt glass Ordinary glass Flint glass Pyrex glass 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? 12.33 diopters -12.33 diopters 4.33 diopters -4.33 diopters 12.33 diopters -12.33 diopters 4.33 diopters -4.33 diopters ANSWER DOWNLOAD EXAMIANS APP
Physics On which of the following techniques photostate machine works ? Thermal Image—Making Electrostatic Image—Making Magnetic Image—Making Electromagnetic Image— Making Thermal Image—Making Electrostatic Image—Making Magnetic Image—Making Electromagnetic Image— Making ANSWER DOWNLOAD EXAMIANS APP
Physics The intensity ratio of waves is 25 : 9. What is the ratio of their amplitudes? 1.0479166666667 0.12847222222222 0.21041666666667 2.0958333333333 1.0479166666667 0.12847222222222 0.21041666666667 2.0958333333333 ANSWER DOWNLOAD EXAMIANS APP