Physics Which of the metals has the maximum thermal conductivity? Aluminium Copper Iron Silver Aluminium Copper Iron Silver ANSWER DOWNLOAD EXAMIANS APP
Physics In a Laser (say neon laser) all the atoms emit the light waves of Same amplitude All of these Same frequency Same phase Same amplitude All of these Same frequency Same phase ANSWER DOWNLOAD EXAMIANS APP
Physics The device used to change the speed of an electric fan is Rectifier Amplifier Switch Regulator Rectifier Amplifier Switch Regulator ANSWER DOWNLOAD EXAMIANS APP
Physics A potentiometer wire is 100 cm long and a constant potential difference is maintained across it. Two cells are connected in series first to support one another and then in opposite direction. The balance points are obtained at 50 cm and 10 cm from the positive end of the wire in the two cases. The ratio of the emf's is : 0.12638888888889 0.20902777777778 0.12777777777778 0.21111111111111 0.12638888888889 0.20902777777778 0.12777777777778 0.21111111111111 ANSWER DOWNLOAD EXAMIANS APP
Physics At what temperature do the Fahrenheit and Celsius scales give the same reading? 0 degreees 32 degreees 212 degrees -40 degreees 0 degreees 32 degreees 212 degrees -40 degreees ANSWER DOWNLOAD EXAMIANS APP
Physics The electrical domestic tube light gives white fluorescent light because of Vacuum inside the tube Colision between molecules of filled gas under electric current Falling of ultra violet rays on the white inner coating of the tube Heavy current Vacuum inside the tube Colision between molecules of filled gas under electric current Falling of ultra violet rays on the white inner coating of the tube Heavy current ANSWER DOWNLOAD EXAMIANS APP