Physics An aeroplane is flying horizontally with a velocity of 600 km/h and at a height of 1960 m. When it is vertically at a point A on the ground a bomb is released from it. The bomb strikes the ground at point B. The distance AB is 33 km 1200 m 0.33 km 3.33 km 33 km 1200 m 0.33 km 3.33 km ANSWER DOWNLOAD EXAMIANS APP
Physics The quality or tone of a musical sound produced by a stringed instrument depends on Length of the strings in the instrument Frequency of vibration Wave form of the sound Amplitude of vibration Length of the strings in the instrument Frequency of vibration Wave form of the sound Amplitude of vibration ANSWER DOWNLOAD EXAMIANS APP
Physics A potentiometer wire is 100 cm long and a constant potential difference is maintained across it. Two cells are connected in series first to support one another and then in opposite direction. The balance points are obtained at 50 cm and 10 cm from the positive end of the wire in the two cases. The ratio of the emf's is : 0.12777777777778 0.12638888888889 0.20902777777778 0.21111111111111 0.12777777777778 0.12638888888889 0.20902777777778 0.21111111111111 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 Infrasonic wave Audible wave Microwave Ultrasonic wave Infrasonic wave Audible wave Microwave Ultrasonic wave ANSWER DOWNLOAD EXAMIANS APP
Physics What is the value of 1 kW = ? 1000 W 100 W 10000 W 10 W 1000 W 100 W 10000 W 10 W ANSWER DOWNLOAD EXAMIANS APP
Physics If a person moves a trolley for a distance of 10 m with a force of 50 N, then the work done is 20 J 500 J 0.2 J 5 J 20 J 500 J 0.2 J 5 J ANSWER DOWNLOAD EXAMIANS APP