Physics Optical fiber works on the principle of Total internal reflection Interference Refraction Scattering Total internal reflection Interference Refraction Scattering ANSWER DOWNLOAD EXAMIANS APP
Physics Outside of cooking utensils are generally left black from below because Black surface is a poor conductor of heat. Black surface is a good conductor of heat. Black surface is a good absorber of heat. It is difficult to clean daily. Black surface is a poor conductor of heat. Black surface is a good conductor of heat. Black surface is a good absorber of heat. It is difficult to clean daily. ANSWER DOWNLOAD EXAMIANS APP
Physics After long periods of use, a grey spot develops on the inside of a bulb. This is because The heat of the bulb scorches the glass at the top The tungsten filament evaporates and collects there Glass undergoes a change due to the heat Dust inside the bulb condenses on the top The heat of the bulb scorches the glass at the top The tungsten filament evaporates and collects there Glass undergoes a change due to the heat Dust inside the bulb condenses on the top ANSWER DOWNLOAD EXAMIANS APP
Physics Formation of shadows can be explained by Rectilinear propagation of light Refraction Total internal reflection Reflection Rectilinear propagation of light Refraction Total internal reflection Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics What is the gravity of moon as compared to the Earth 1/6 th of Earth 1/5 th of Earth 1/8 th of Earth 1/4 th of Earth 1/6 th of Earth 1/5 th of Earth 1/8 th of Earth 1/4 th of Earth ANSWER DOWNLOAD EXAMIANS APP
Physics In order to make an electromagnet you need a All of these Iron nail Dry cell batteries Thin coated copper wire All of these Iron nail Dry cell batteries Thin coated copper wire ANSWER DOWNLOAD EXAMIANS APP