Physics Water has maximum density at 4°C 100°C 0°C 273°C 4°C 100°C 0°C 273°C ANSWER DOWNLOAD EXAMIANS APP
Physics The magnifying power of an astronomical telescope can be decreased by Decreasing the focal length of the eyepiece Increasing the focal length of the eyepiece None of these Increasing the focal length of the objective Decreasing the focal length of the eyepiece Increasing the focal length of the eyepiece None of these Increasing the focal length of the objective ANSWER DOWNLOAD EXAMIANS APP
Physics Infrasonic sound has a frequency lower than 15 Hz 5 Hz 20 Hz 32 Hz 15 Hz 5 Hz 20 Hz 32 Hz ANSWER DOWNLOAD EXAMIANS APP
Physics Among the following materials sound travels fastest in Air Steel Vacuum Water Air Steel Vacuum Water ANSWER DOWNLOAD EXAMIANS APP
Physics What is the principle of a ''Life Jacket"? It decreases the volume of the person to keep him afloat It provides oxygen to a drowning person The person can sit on it like a raft It increases the volume of the person to keep him afloat It decreases the volume of the person to keep him afloat It provides oxygen to a drowning person The person can sit on it like a raft It increases the volume of the person to keep him afloat ANSWER DOWNLOAD EXAMIANS APP
Physics Electron microscope works on which of the following principles? Optical interference Motion of charged particle in electromagnetic fields Wave Nature of electrons Faraday's law of Electromagnetic induction Optical interference Motion of charged particle in electromagnetic fields Wave Nature of electrons Faraday's law of Electromagnetic induction ANSWER DOWNLOAD EXAMIANS APP
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