Physics What is the minimum velocity required for a rocket to overcome earth's gravity and travel into space? 18 km/sec 21 km/sec 35 km/sec 11.2 km/sec 18 km/sec 21 km/sec 35 km/sec 11.2 km/sec ANSWER DOWNLOAD EXAMIANS APP
Physics Ice is packed in saw dust because Saw dust will not get melted easily. Saw dust is poor conductor of heat. Saw dust is a good conductor of heat. Saw dust does not stick to the ice. Saw dust will not get melted easily. Saw dust is poor conductor of heat. Saw dust is a good conductor of heat. Saw dust does not stick to the ice. ANSWER DOWNLOAD EXAMIANS APP
Physics The unit of measurement of noise is Decibel Amplifier Acoustics Hertz Decibel Amplifier Acoustics Hertz ANSWER DOWNLOAD EXAMIANS APP
Physics Echo is heard due to Refraction Scattering Reflection Interference Refraction Scattering Reflection Interference ANSWER DOWNLOAD EXAMIANS APP
Physics Why does bleeding occur through the nose in high mountainous regions ? The pressure at high altitudes is greater than that on the plains The pressure of blood in capillaries is greater than the outside pressure The blood pressure fluctuates and finally decreases drastically The blood pressure of a person increases at high altitudes The pressure at high altitudes is greater than that on the plains The pressure of blood in capillaries is greater than the outside pressure The blood pressure fluctuates and finally decreases drastically The blood pressure of a person increases at high altitudes ANSWER DOWNLOAD EXAMIANS APP
Physics X–rays are None of these Neutral particles Negatively charged particles Positively charged particles None of these Neutral particles Negatively charged particles Positively charged particles ANSWER DOWNLOAD EXAMIANS APP
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