Physics A standing wave occurs when A wave reflects upon itself The speed of the wave is zero or near zero Two waves overlap The amplitude of a wave exceeds its wavelength A wave reflects upon itself The speed of the wave is zero or near zero Two waves overlap The amplitude of a wave exceeds its wavelength ANSWER DOWNLOAD EXAMIANS APP
Physics A man standing close to the platform at a railway station experiences a pulling force towards a fast moving train because of ________ . Illusion of the man Pressure difference due to fast moving air in between The centripetal force Gravitational force between train and man Illusion of the man Pressure difference due to fast moving air in between The centripetal force Gravitational force between train and man ANSWER DOWNLOAD EXAMIANS APP
Physics The device used to change the speed of an electric fan is Amplifier Switch Regulator Rectifier Amplifier Switch Regulator Rectifier ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is optical illusion? Earthshine Mirage Rainbow Halo Earthshine Mirage Rainbow Halo ANSWER DOWNLOAD EXAMIANS APP
Physics The device used for measuring the wavelength of X-rays is Mass Spectrometer G.M. Counter Cyclotron Bragg Spectrometer Mass Spectrometer G.M. Counter Cyclotron Bragg Spectrometer ANSWER DOWNLOAD EXAMIANS APP
Physics An atom bomb based upon the principal of ________ Controlled chain reaction Nuclear fission Nuclear fussion None of these Controlled chain reaction Nuclear fission Nuclear fussion None of these ANSWER DOWNLOAD EXAMIANS APP
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