Physics Light beam which is highly directional is called: Eraser Laser Grazer Maser Eraser Laser Grazer Maser 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 4 only 1, 2, 3 and 4 1, 2 and 3 only 3 and 4 only 4 only 1, 2, 3 and 4 1, 2 and 3 only ANSWER DOWNLOAD EXAMIANS APP
Physics Sound produced at a point is heard by a person after 5 second, while the same sound is heard by another person after 6 seconds. If the speed of sound is 300 m/s, what could be the maximum and minimum distances between the two persons? 2.8 km, 0.25 km 3.3 km, 0.30 km 1.8 km, 0.15 km 2.2 km, 0.20 km 2.8 km, 0.25 km 3.3 km, 0.30 km 1.8 km, 0.15 km 2.2 km, 0.20 km ANSWER DOWNLOAD EXAMIANS APP
Physics It is difficult to fix a nail on a freely suspended wooden frame. Which law supports this statement? Pascal's law Newton's third law Newton's second law Law of inertia Pascal's law Newton's third law Newton's second law Law of inertia ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of falling rain drops attains a terminal value because of Upward thrust due to air Viscous force exerted by air Air current Surface tension Upward thrust due to air Viscous force exerted by air Air current Surface tension ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following has the highest frequency? X-rays Cosmic rays Microwaves Radio waves X-rays Cosmic rays Microwaves Radio waves ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS