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 1200 m 0.33 km 33 km 3.33 km 1200 m 0.33 km 33 km 3.33 km ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following is not a property of electromagnetic waves? Electromagnetic waves do not show interference and diffraction. Electromagnetic waves are transverse waves Electromagnetic waves do not require a medium to propagate. Oscillating electric field and magnetic field are perpendicular to each other. Electromagnetic waves do not show interference and diffraction. Electromagnetic waves are transverse waves Electromagnetic waves do not require a medium to propagate. Oscillating electric field and magnetic field are perpendicular to each other. ANSWER DOWNLOAD EXAMIANS APP
Physics The width of depletion layer of a P-N junction Decreases with light doping Is increased under reverse bias Is independent of applied voltage Increases with heavy doping Decreases with light doping Is increased under reverse bias Is independent of applied voltage Increases with heavy doping ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is the fastest communication channel? Optical fiber All are operating at nearly the same propagation speed Microwave Radio wave Optical fiber All are operating at nearly the same propagation speed Microwave Radio wave ANSWER DOWNLOAD EXAMIANS APP
Physics For which one of the following, ''Diodes' are generally used for? Rectification Amplification Filtration Modulation Rectification Amplification Filtration Modulation ANSWER DOWNLOAD EXAMIANS APP
Physics A concave lens always forms an image which is Real and inverted Virtual and erect Real and erect Virtual and inverted Real and inverted Virtual and erect Real and erect Virtual and inverted ANSWER DOWNLOAD EXAMIANS APP