Physics These waves cannot be transmitted through vacuum. Light Electromagnetic Heat Sound Light Electromagnetic Heat Sound ANSWER DOWNLOAD EXAMIANS APP
Physics Sound travels with a different speed in media. In what order does the velocity of sound increase in these media? Iron, water and air Air, water and iron Iron, air and water Water, iron and air Iron, water and air Air, water and iron Iron, air and water Water, iron and air ANSWER DOWNLOAD EXAMIANS APP
Physics If objects appear enlarged and inverted in a rear view mirror, then which type of mirror is used? Cylindrical Concave Plane Convex Cylindrical Concave Plane Convex ANSWER DOWNLOAD EXAMIANS APP
Physics Stars twinkle because None of these the distance of the stars from the earth changes with time. the refractive index of the different layers of the earth's atmosphere ch the intensity of light emitted by them changes with time. None of these the distance of the stars from the earth changes with time. the refractive index of the different layers of the earth's atmosphere ch the intensity of light emitted by them changes with time. ANSWER DOWNLOAD EXAMIANS APP
Physics Superconductors are those elements Which conduct electricity only at super-high temperatures Which turn into insulators at very low temperatures Whose conductivity is intermediate between metals and insulators Whose resistance falls almost to zero at very low temperatures Which conduct electricity only at super-high temperatures Which turn into insulators at very low temperatures Whose conductivity is intermediate between metals and insulators Whose resistance falls almost to zero at very low temperatures ANSWER DOWNLOAD EXAMIANS APP
Physics Sound of frequency below 20 Hz is called ultrasonic infrasonic audio sounds supersonics ultrasonic infrasonic audio sounds supersonics ANSWER DOWNLOAD EXAMIANS APP