Physics Which one of the following is used for sun glasses ? Crystal glass Pyrex glass Crooks glass Flint glass Crystal glass Pyrex glass Crooks glass Flint glass ANSWER DOWNLOAD EXAMIANS APP
Physics Who discovered X-ray Ernest Rutherford Marie Curie Pierre Curie Wilhelm Rontgen Ernest Rutherford Marie Curie Pierre Curie Wilhelm Rontgen ANSWER DOWNLOAD EXAMIANS APP
Physics Indicate the false statement about the resistance of a wire It is directly proportional to the area of cross-section of wire Resistance of metallic wire increases with increase in temperature It is directly proportional to the length of wire It depends on material of wire It is directly proportional to the area of cross-section of wire Resistance of metallic wire increases with increase in temperature It is directly proportional to the length of wire It depends on material of wire ANSWER DOWNLOAD EXAMIANS APP
Physics When a bar magnet is cut into two equal halves, the pole strength of each piece – Becomes double Becomes half Remains the same Becomes zero Becomes double Becomes half Remains the same Becomes zero ANSWER DOWNLOAD EXAMIANS APP
Physics Light beam which is highly directional is called: Grazer Maser Laser Eraser Grazer Maser Laser Eraser ANSWER DOWNLOAD EXAMIANS APP
Physics Man perceives sound vibrations in the frequency ranges of 11 – 20 Hz 6 – 10 Hz 0 – 5 Hz 20 – 20000 Hz 11 – 20 Hz 6 – 10 Hz 0 – 5 Hz 20 – 20000 Hz ANSWER DOWNLOAD EXAMIANS APP