Physics Which of the following waves cannot be polarised? Ultra violet Infrared Radio Ultrasonic Ultra violet Infrared Radio Ultrasonic ANSWER DOWNLOAD EXAMIANS APP
Physics Water cannot be used to extinguish fire caused by electric current, because It may spoil the wiring It may cause hydrolysis It may cause electrocution It may cause electrolysis It may spoil the wiring It may cause hydrolysis It may cause electrocution It may cause electrolysis ANSWER DOWNLOAD EXAMIANS APP
Physics Least audible sound for most of the human ear is : 0.005 µ bar 10.0 µ bar 5.0 µ bar 0.0002 µ bar 0.005 µ bar 10.0 µ bar 5.0 µ bar 0.0002 µ bar ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following terms is not used in the field of physics? Nuclear fusion Refractive index Stock value Latent heat Nuclear fusion Refractive index Stock value Latent heat ANSWER DOWNLOAD EXAMIANS APP
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 Microwave Infrasonic wave Ultrasonic wave Audible wave Microwave Infrasonic wave Ultrasonic wave Audible wave ANSWER DOWNLOAD EXAMIANS APP
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