Physics For photoelectric effect to take place, the metal used as the cathode should have ________ Low melting point Low work function High melting point Low resistance Low melting point Low work function High melting point Low resistance ANSWER DOWNLOAD EXAMIANS APP
Physics It is dangerous to observe Solar eclipse with naked eyes because Cosmic rays reach eyes more during the eclipse All radiations from sun initiate chemical reactions in eyes Infrared radiations from sun burn our retina Ultraviolet radiations from Sun burn our retina Cosmic rays reach eyes more during the eclipse All radiations from sun initiate chemical reactions in eyes Infrared radiations from sun burn our retina Ultraviolet radiations from Sun burn our retina ANSWER DOWNLOAD EXAMIANS APP
Physics Relative humidity is expressed as Ratio Percentage Kilograms Grams Ratio Percentage Kilograms Grams ANSWER DOWNLOAD EXAMIANS APP
Physics Working of safety fuses depends upon1. magnetic effect of the current2. chemical effect of the current3. magnitude of the current4. heating effect of the currentSelect the correct answer using the code given below. 3 and 4 only 1, 2, 3 and 4 4 only 1, 2 and 3 only 3 and 4 only 1, 2, 3 and 4 4 only 1, 2 and 3 only ANSWER DOWNLOAD EXAMIANS APP
Physics . . . . . . . . . exerts a force on anything that has an electric charge. Inductive field Electrostatic force Electric field All of these Inductive field Electrostatic force Electric field All of these ANSWER DOWNLOAD EXAMIANS APP
Physics The motion of a freely falling body is an example of ________ motion. Constant velocity Uniformly accelerated Non-uniformly accelerated Constant speed Constant velocity Uniformly accelerated Non-uniformly accelerated Constant speed ANSWER DOWNLOAD EXAMIANS APP