Physics Optical Fibre technology works on which of these principles of Physics? Photoelectric effect Total internal reflection of Light Bernoulli's Principle Newton's law of Motion Photoelectric effect Total internal reflection of Light Bernoulli's Principle Newton's law of Motion ANSWER DOWNLOAD EXAMIANS APP
Physics Sound produced at a point is heard by a person after 5 second, while the same sound is heard by another person after 6 seconds. If the speed of sound is 300 m/s, what could be the maximum and minimum distances between the two persons? 2.2 km, 0.20 km 2.8 km, 0.25 km 3.3 km, 0.30 km 1.8 km, 0.15 km 2.2 km, 0.20 km 2.8 km, 0.25 km 3.3 km, 0.30 km 1.8 km, 0.15 km ANSWER DOWNLOAD EXAMIANS APP
Physics A transformer Converts electrical energy into mechanical energy Converts DC to AC Converts AC voltage to D.C. voltage Is used to decrease or increase AC voltage Converts electrical energy into mechanical energy Converts DC to AC Converts AC voltage to D.C. voltage Is used to decrease or increase AC voltage ANSWER DOWNLOAD EXAMIANS APP
Physics What is the change in the angular momentum of a system as per the Law of Conservation of Angular momentum, if the total external torque acting is zero? None of these Remains constant Becomes zero Increases exponentially None of these Remains constant Becomes zero Increases exponentially ANSWER DOWNLOAD EXAMIANS APP
Physics The frequency of ultrasound wave is typically Above 20,000 kHz Below 02 kHz Below 20 kHz Above 20 kHz Above 20,000 kHz Below 02 kHz Below 20 kHz Above 20 kHz ANSWER DOWNLOAD EXAMIANS APP
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