Physics Mach number is used in connection with the speed of spacecraft ships aircraft sound spacecraft ships aircraft sound ANSWER DOWNLOAD EXAMIANS APP
Physics Magnetic field lines about a current-carrying wire Both of these Extend radially from the wire None of these Circle the wire in closed loops Both of these Extend radially from the wire None of these Circle the wire in closed loops ANSWER DOWNLOAD EXAMIANS APP
Physics The speed of sound travel fastest through Liquid Solid None of these Gas Liquid Solid None of these Gas ANSWER DOWNLOAD EXAMIANS APP
Physics The motion of a body that repeats itself after a regular interval of time is An aperiodic motion A periodic motion A simple harmonic motion An oscillatory motion An aperiodic motion A periodic motion A simple harmonic motion An oscillatory motion ANSWER DOWNLOAD EXAMIANS APP
Physics The device which converts AC to DC is None of these Amplifier Rectifier Oscillator None of these Amplifier Rectifier Oscillator ANSWER DOWNLOAD EXAMIANS APP
Physics Planets do not twinkle because They are very far away from the earth resulting in decrease in intensity of light Their distance from the earth does not change with time They emit light of a constant intensity They are nearer to earth and hence we receive a greater amount of light. They are very far away from the earth resulting in decrease in intensity of light Their distance from the earth does not change with time They emit light of a constant intensity They are nearer to earth and hence we receive a greater amount of light. ANSWER DOWNLOAD EXAMIANS APP