Physics Sound travels at the fastest speed in water steel vacuum air water steel vacuum air ANSWER DOWNLOAD EXAMIANS APP
Physics Red light is used for signals because it has Long wavelength Low refraction in the medium High intensity High frequency Long wavelength Low refraction in the medium High intensity High frequency ANSWER DOWNLOAD EXAMIANS APP
Physics Water is used in car radiator because of its Low boiling point High specific heat capacity Easy availability Low density Low boiling point High specific heat capacity Easy availability Low density ANSWER DOWNLOAD EXAMIANS APP
Physics In which one of the following the phenomenon of total internal reflection of light is used ? Working of binoculars Formation of rainbow Twinkling of stars Formation of mirage Working of binoculars Formation of rainbow Twinkling of stars Formation of mirage ANSWER DOWNLOAD EXAMIANS APP
Physics If a person moves a trolley for a distance of 10 m with a force of 50 N, then the work done is 5 J 500 J 0.2 J 20 J 5 J 500 J 0.2 J 20 J ANSWER DOWNLOAD EXAMIANS APP
Physics What is the direction of torque? Perpendicular to the direction of applied force Opposite to the direction of applied force Same as the direction of applied force Parallel to the radius Perpendicular to the direction of applied force Opposite to the direction of applied force Same as the direction of applied force Parallel to the radius ANSWER DOWNLOAD EXAMIANS APP
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