Physics Sound produced at a point is heard by a person after 5 second, while the same sound is heard by another person after 6 seconds. If the speed of sound is 300 m/s, what could be the maximum and minimum distances between the two persons? 2.8 km, 0.25 km 2.2 km, 0.20 km 3.3 km, 0.30 km 1.8 km, 0.15 km 2.8 km, 0.25 km 2.2 km, 0.20 km 3.3 km, 0.30 km 1.8 km, 0.15 km ANSWER DOWNLOAD EXAMIANS APP
Physics Optical fiber works on the principle of Scattering Interference Refraction Total internal reflection Scattering Interference Refraction Total internal reflection ANSWER DOWNLOAD EXAMIANS APP
Physics A person can jump higher on the moon's surface than on the earth because : The acceleration due to gravity in moon is smaller than that on the earth. The moon's surface is rough The moon has no atmosphere The moon is cooler than earth The acceleration due to gravity in moon is smaller than that on the earth. The moon's surface is rough The moon has no atmosphere The moon is cooler than earth ANSWER DOWNLOAD EXAMIANS APP
Physics A tank filled partially with a liquid is subjected to a uniform horizontal acceleration. Which of the following is true for the surface of liquid in the tank? None The liquid surface falls down on the direction of motion and rises up on the back side of the tank The surface of the liquid remains horizontal The liquid surface falls down only at the center of the tank None The liquid surface falls down on the direction of motion and rises up on the back side of the tank The surface of the liquid remains horizontal The liquid surface falls down only at the center of the tank ANSWER DOWNLOAD EXAMIANS APP
Physics Coolis tube is used to produce X-rays Radio waves Gama rays Micro waves X-rays Radio waves Gama rays Micro waves ANSWER DOWNLOAD EXAMIANS APP
Physics The term photon refers to Light ray Sub atomic particle None of these Radiation Light ray Sub atomic particle None of these Radiation ANSWER DOWNLOAD EXAMIANS APP
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