Physics Fiber optics cable used in communication, works on the principle of Regular reflection of light Total internal reflection of light Refraction of light Diffuse reflection of light Regular reflection of light Total internal reflection of light Refraction of light Diffuse reflection of light ANSWER DOWNLOAD EXAMIANS APP
Physics To resolve an object in an electron microscope, None of these The wavelength of the electrons must be greater than the diameter of the object. Both A & B The wavelength of the electrons must be close to the diameter of the object None of these The wavelength of the electrons must be greater than the diameter of the object. Both A & B The wavelength of the electrons must be close to the diameter of the object ANSWER DOWNLOAD EXAMIANS APP
Physics Fibre optics work on the principle of Scattering of light Optical rotation Total internal absorption Total internal reflection Scattering of light Optical rotation Total internal absorption Total internal reflection ANSWER DOWNLOAD EXAMIANS APP
Physics When milk is churned, the cream separates from it due to: Viscous forces Frictional force Centrifugal force Gravitational force Viscous forces Frictional force Centrifugal force Gravitational force ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is correct about the properties of Gravitational Forces? They are the strongest forces in nature None Both a and b They observe inverse square law They are the strongest forces in nature None Both a and b They observe inverse square law ANSWER DOWNLOAD EXAMIANS APP
Physics The resistance of a conductor is inversely proportional to its: Area of cross section Length Temperature Resistivity Area of cross section Length Temperature Resistivity ANSWER DOWNLOAD EXAMIANS APP