Physics Calculate the time period (in seconds) of a sound wave of wavelength 4m traveling with a speed of 500m/s 1000 2000 0.016 0.008 1000 2000 0.016 0.008 ANSWER DOWNLOAD EXAMIANS APP
Physics What will happen if an object is dropped from a height and there is no air resistance? Its speed will increase Both speed and acceleration will increase Its acceleration will increase It will fall with a constant speed and acceleration Its speed will increase Both speed and acceleration will increase Its acceleration will increase It will fall with a constant speed and acceleration ANSWER DOWNLOAD EXAMIANS APP
Physics Hertz is a unit for measuring Intensity of waves Frequency of waves Clarity of waves Wavelength Intensity of waves Frequency of waves Clarity of waves Wavelength ANSWER DOWNLOAD EXAMIANS APP
Physics The sensation of weightlessness in a spacecraft in an orbit is due to the Absence of gravity outside Acceleration in the orbit which is equal to the acceleration due to gravity outside Fact that spacecraft in the orbit has no energy Presence of gravity outside but not inside the spacecraft Absence of gravity outside Acceleration in the orbit which is equal to the acceleration due to gravity outside Fact that spacecraft in the orbit has no energy Presence of gravity outside but not inside the spacecraft ANSWER DOWNLOAD EXAMIANS APP
Physics Rainbow is seen after rain because of hanging molecules of water which act as Slabs Lenses Prisms Mirrors Slabs Lenses Prisms Mirrors ANSWER DOWNLOAD EXAMIANS APP
Physics Woollen cloth protects the body from cold because External heat rays enter into the body through the woollen cloth It is a poor conductor of heat It reflects heat It is a good conductor of heat External heat rays enter into the body through the woollen cloth It is a poor conductor of heat It reflects heat It is a good conductor of heat ANSWER DOWNLOAD EXAMIANS APP
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