Physics Microphone is a device which transforms the Sound signal into light signal Sound signal into current signal Current signal into sound signal Light signal into sound signal Sound signal into light signal Sound signal into current signal Current signal into sound signal Light signal into sound signal ANSWER DOWNLOAD EXAMIANS APP
Physics A body of mass 5 kg accelerates from 12 m/s to 20 m/s in 4 seconds due to the application of a force on it. Calculate the magnitude of this force (in N). 80 40 20 10 80 40 20 10 ANSWER DOWNLOAD EXAMIANS APP
Physics The energy associated with motion is called Both A & B Potential energy None of these Kinetic energy Both A & B Potential energy None of these Kinetic energy ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is used for regulated electric supply ? Gun diode Tunnel diode Junction diode Zener diode Gun diode Tunnel diode Junction diode Zener diode ANSWER DOWNLOAD EXAMIANS APP
Physics A circular plate, a cube and a sphere, all made up of same material and having the samemass, are heated to 300°C and left in a room. Which of them will have the slowest rate of cooling? Circular plate All will cool at the same rate Sphere Cube Circular plate All will cool at the same rate Sphere Cube ANSWER DOWNLOAD EXAMIANS APP
Physics Fiber optics cable used in communication, works on the principle of Diffuse reflection of light Refraction of light Total internal reflection of light Regular reflection of light Diffuse reflection of light Refraction of light Total internal reflection of light Regular reflection of light ANSWER DOWNLOAD EXAMIANS APP
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