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 Which of the following waves cannot be polarised? Radio Infrared Ultra violet Ultrasonic Radio Infrared Ultra violet Ultrasonic ANSWER DOWNLOAD EXAMIANS APP
Physics Speed of light is maximum in ________ Solids Gases Liquids Vacuum Solids Gases Liquids Vacuum ANSWER DOWNLOAD EXAMIANS APP
Physics An object of 10 kg is moving with a speed of 2 m/s. The kinetic energy of the object is 20 J 40 J 25 J 10 J 20 J 40 J 25 J 10 J ANSWER DOWNLOAD EXAMIANS APP
Physics The absolute refractive index of any medium is always: More than one Less than one 1 More than one Less than one 1 ANSWER DOWNLOAD EXAMIANS APP
Physics The minimum number of geostationary satellites needed for uninterrupted global coverage is : 1 4 3 2 1 4 3 2 ANSWER DOWNLOAD EXAMIANS APP
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