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? 3.3 km, 0.30 km 1.8 km, 0.15 km 2.2 km, 0.20 km 2.8 km, 0.25 km 3.3 km, 0.30 km 1.8 km, 0.15 km 2.2 km, 0.20 km 2.8 km, 0.25 km ANSWER DOWNLOAD EXAMIANS APP
Physics In the gamma decay of a nucleus The mass number of the nucleus changes whereas its atomic number does not change The mass number of the nucleus does not change whereas its atomic number changes Neither the mass number nor the atomic number of the nucleus changes Both the mass number and the atomic number of the nucleus change The mass number of the nucleus changes whereas its atomic number does not change The mass number of the nucleus does not change whereas its atomic number changes Neither the mass number nor the atomic number of the nucleus changes Both the mass number and the atomic number of the nucleus change ANSWER DOWNLOAD EXAMIANS APP
Physics Energy is continuously created in the sun due to: Nuclear fission Radioactivity Nuclear fusion Artificial radioactivity Nuclear fission Radioactivity Nuclear fusion Artificial radioactivity ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following pairs of physical quantities have the same dimensions? Work and Power Work and Energy Momentum and Power Force and Power Work and Power Work and Energy Momentum and Power Force and Power ANSWER DOWNLOAD EXAMIANS APP
Physics The dimensional formula ML–1T–2 corresponds to Modulus of elasticity Thrust Viscosity Moment of a force Modulus of elasticity Thrust Viscosity Moment of a force ANSWER DOWNLOAD EXAMIANS APP
Physics Scalar Quantities are Physical quantities which have magnitude only and direction Physical quantities which have no magnitude and no direction Physical quantities which have magnitude only and no direction Physical quantities which have no magnitude only and only direction Physical quantities which have magnitude only and direction Physical quantities which have no magnitude and no direction Physical quantities which have magnitude only and no direction Physical quantities which have no magnitude only and only direction ANSWER DOWNLOAD EXAMIANS APP
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