Physics The focal length of a concave mirror with a radius of curvature of 20.0 cm is : 20 cm 5 cm 10 cm 15 cm 20 cm 5 cm 10 cm 15 cm ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of the sound is highest in Water Vacuum Air Metal Water Vacuum Air Metal ANSWER DOWNLOAD EXAMIANS APP
Physics Velocitation is the tendency to None of these Be traveling at a speed that is slower than perceived Both A & B Be traveling at a speed that is faster than perceived None of these Be traveling at a speed that is slower than perceived Both A & B Be traveling at a speed that is faster than perceived ANSWER DOWNLOAD EXAMIANS APP
Physics The scientist who first sent electromagnetic waves to distant places is Thomas Alva Edison James Clerk Maxwell Heinrich Hertz John Logie Baird Thomas Alva Edison James Clerk Maxwell Heinrich Hertz John Logie Baird ANSWER DOWNLOAD EXAMIANS APP
Physics Two electric bulbs marked 25W – 220V and 100W – 220V are connected in series to a 440Vsupply. Which of the bulbs will fuse? Both 100 W 25 W Neither Both 100 W 25 W Neither 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? 3.3 km, 0.30 km 2.2 km, 0.20 km 1.8 km, 0.15 km 2.8 km, 0.25 km 3.3 km, 0.30 km 2.2 km, 0.20 km 1.8 km, 0.15 km 2.8 km, 0.25 km ANSWER DOWNLOAD EXAMIANS APP
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