Physics A wavelength of 0.3 m is produced in air and it travels at a speed of 300 m/s. Then it will be an Audible wave Microwave Infrasonic wave Ultrasonic wave Audible wave Microwave Infrasonic wave Ultrasonic wave ANSWER DOWNLOAD EXAMIANS APP
Physics Which phenomenon is responsible for the echo of sound wave? Interference Polarisation Refraction Reflection Interference Polarisation Refraction Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics Choose the most appropriate answer: In which atmospheric layer are the communication satellites located? Ionosphere Mesosphere Troposphere Stratosphere Ionosphere Mesosphere Troposphere Stratosphere ANSWER DOWNLOAD EXAMIANS APP
Physics The minimum number of geostationary satellites needed for uninterrupted global coverage is : 1 2 3 4 1 2 3 4 ANSWER DOWNLOAD EXAMIANS APP
Physics Electrical Energy is the energy of Electrons Protons Neutrons All listed here Electrons Protons Neutrons All listed here ANSWER DOWNLOAD EXAMIANS APP
Physics Nuclear Reactors are based on which of the following phenomenon? Controlled Nuclear Fission Magnetic confinement of Plasma None of these Nuclear Fusion Controlled Nuclear Fission Magnetic confinement of Plasma None of these Nuclear Fusion ANSWER DOWNLOAD EXAMIANS APP