Physics Sound of frequency below 20 Hz is called ultrasonic audio sounds infrasonic supersonics ultrasonic audio sounds infrasonic supersonics ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is used for regulated electric supply ? Zener diode Gun diode Tunnel diode Junction diode Zener diode Gun diode Tunnel diode Junction diode ANSWER DOWNLOAD EXAMIANS APP
Physics A copper wire of radius r and length l has a resistance of R. A second copper wire with radius 2r and length l is taken and the two wires are joined in a parallel combination. The resultant resistance of the parallel combination of the two wires will be 5 R/4 5 R R/5 4 R/5 5 R/4 5 R R/5 4 R/5 ANSWER DOWNLOAD EXAMIANS APP
Physics An atom bomb based upon the principal of ________ None of these Nuclear fission Nuclear fussion Controlled chain reaction None of these Nuclear fission Nuclear fussion Controlled chain reaction ANSWER DOWNLOAD EXAMIANS APP
Physics A boy sitting in a train moving with a uniform velocity drops a coin outside. A man standing outside the train will find the trajectory of the coin to be A parabola A circle A vertical straight line A horizontal straight line A parabola A circle A vertical straight line A horizontal straight line ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a compound machine? Ramp Screw Knife Bicycle Ramp Screw Knife Bicycle ANSWER DOWNLOAD EXAMIANS APP