Physics Which of the following has the highest frequency? Cosmic rays X-rays Radio waves Microwaves Cosmic rays X-rays Radio waves Microwaves ANSWER DOWNLOAD EXAMIANS APP
Physics What is the escape velocity of the rocket in the earth? 12.2 km/sec 10.2 km/sec 13.2 km/sec 11.2 km/sec 12.2 km/sec 10.2 km/sec 13.2 km/sec 11.2 km/sec ANSWER DOWNLOAD EXAMIANS APP
Physics ________ states that internal energy is a function of state and the increase in internal energy is equal to the sum of the heat supplied to system and work done by the system. Hooke's Law The coulomb's law Faraday's Law First law of thermodynamics Hooke's Law The coulomb's law Faraday's Law First law of thermodynamics ANSWER DOWNLOAD EXAMIANS APP
Physics In the atmosphere ultraviolet rays are absorbed by Nitrogen Ozone Helium Oxygen Nitrogen Ozone Helium Oxygen ANSWER DOWNLOAD EXAMIANS APP
Physics In which of the following cases, kinetic energy is being used in performing work ? Driving a car to cover a distance Paddling the bicycle to cover a distance Wind mill grinding wheat grain Rowing a boat in the lake Driving a car to cover a distance Paddling the bicycle to cover a distance Wind mill grinding wheat grain Rowing a boat in the lake ANSWER DOWNLOAD EXAMIANS APP
Physics A parallel-plate capacitor,with air in between the plates, has capacitance C. Now the space between the two plates of the capacitor is filled with a dielectric of dielectric constant 7. Then the value of the capacitance will become C/7 C 14C 7C C/7 C 14C 7C ANSWER DOWNLOAD EXAMIANS APP
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