Physics Permissible noise level at Residential area during night time is : 80 dB (A) 75 dB (A) 55 dB (A) 45 dB (A) 80 dB (A) 75 dB (A) 55 dB (A) 45 dB (A) ANSWER DOWNLOAD EXAMIANS APP
Physics What is the SI unit of Power? Newton Pascal Boyle Watt Newton Pascal Boyle Watt 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 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 4 R/5 5 R/4 5 R R/5 4 R/5 5 R/4 5 R R/5 ANSWER DOWNLOAD EXAMIANS APP
Physics A tank filled partially with a liquid is subjected to a uniform horizontal acceleration. Which of the following is true for the surface of liquid in the tank? The surface of the liquid remains horizontal The liquid surface falls down only at the center of the tank None The liquid surface falls down on the direction of motion and rises up on the back side of the tank The surface of the liquid remains horizontal The liquid surface falls down only at the center of the tank None The liquid surface falls down on the direction of motion and rises up on the back side of the tank ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following liquids is most viscous? Petrol Milk Water Oil Petrol Milk Water Oil ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS