Physics Parabolic mirrors are used in Driving mirrors Car headlights Shaving mirros Dentists mirros Driving mirrors Car headlights Shaving mirros Dentists mirros ANSWER DOWNLOAD EXAMIANS APP
Physics In the process of magnetisation of a bar Only the surface of the bar gets magnetised The entire bulk of the bar gets magnetised Only the ends of the bar get magnetised Only some parts of the outer layers of the bar get magnetised Only the surface of the bar gets magnetised The entire bulk of the bar gets magnetised Only the ends of the bar get magnetised Only some parts of the outer layers of the bar get magnetised ANSWER DOWNLOAD EXAMIANS APP
Physics The rate at which energy is transferred is called Watt Volt Potential Power Watt Volt Potential Power ANSWER DOWNLOAD EXAMIANS APP
Physics Materials that usually are good conductors of electricity? Nickel Lead Aluminium Wood Nickel Lead Aluminium Wood ANSWER DOWNLOAD EXAMIANS APP
Physics What is refractive index ? 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. 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 A soap bubble shows colours when illuminated with white light. This is due to Diffraction Interference Polarisation Reflection Diffraction Interference Polarisation Reflection ANSWER DOWNLOAD EXAMIANS APP