Physics What is the minimum velocity required for a rocket to overcome earth's gravity and travel into space? 21 km/sec 11.2 km/sec 35 km/sec 18 km/sec 21 km/sec 11.2 km/sec 35 km/sec 18 km/sec ANSWER DOWNLOAD EXAMIANS APP
Physics If the velocity of a body is halved its kinetic energy ________ Becomes half Become 4 times Becomes 1/4 th Is also doubled Becomes half Become 4 times Becomes 1/4 th Is also doubled ANSWER DOWNLOAD EXAMIANS APP
Physics Optical fiber works on the principle of Interference Scattering Refraction Total internal reflection Interference Scattering Refraction Total internal reflection ANSWER DOWNLOAD EXAMIANS APP
Physics Intensity of any wave is proportional to which of the following? Cube of amplitude Square of amplitude Square root of amplitude Amplitude Cube of amplitude Square of amplitude Square root of amplitude Amplitude ANSWER DOWNLOAD EXAMIANS APP
Physics The nature of fuse wire is High resistance and low melting point. Low resistance and high melting point. High resistance and high melting point. Low resistance and low melting point. High resistance and low melting point. Low resistance and high melting point. High resistance and high melting point. Low resistance and low melting point. ANSWER DOWNLOAD EXAMIANS APP
Physics Electric current is measured by which instrument? Sinometer Barometer Voltmeter Ammeter Sinometer Barometer Voltmeter Ammeter ANSWER DOWNLOAD EXAMIANS APP
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