Physics Period of oscillation of 3 cm microwaves in seconds is 1 × 10–10 1 × 1010 0.01 0.001 1 × 10–10 1 × 1010 0.01 0.001 ANSWER DOWNLOAD EXAMIANS APP
Physics The point where total mass of a body is supposed to be concentrated is known as Centre of gravity Centre of motion Centre of mass Dead centre Centre of gravity Centre of motion Centre of mass Dead centre ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following circuit elements is used to ''block" DC in an electronic circuit ? Diode Inductance Resistances Capacitance Diode Inductance Resistances Capacitance ANSWER DOWNLOAD EXAMIANS APP
Physics The sky appears blue due to Rayleigh scattering Mie scattering Back scattering None of these Rayleigh scattering Mie scattering Back scattering None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Sound of frequency below 20 Hz is called ultrasonic supersonics infrasonic audio sounds ultrasonic supersonics infrasonic audio sounds 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? Water, iron and air Air, water and iron Iron, air and water Iron, water and air Water, iron and air Air, water and iron Iron, air and water Iron, water and air ANSWER DOWNLOAD EXAMIANS APP
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