Physics Two waves, each of amplitude 1.5 mm and frequency 10 Hz, are travelling in opposite direction with a speed of 20 mm/s. The distance in mm between adjacent nodes is : 1.2 1 2 1.5 1.2 1 2 1.5 ANSWER DOWNLOAD EXAMIANS APP
Physics Hot water is poured simultaneously in four metallic tumblers painted outside with different points. After some time the water will be found to have cooled most in the tumbler painted. Rough black Shining white Shining black Rough white Rough black Shining white Shining black Rough white ANSWER DOWNLOAD EXAMIANS APP
Physics The cover of a solar cooker is made of glass because It rediates heat better than metals It absorbs sun's rays It reflects sun's rays It retains the heat inside by the green house effect It rediates heat better than metals It absorbs sun's rays It reflects sun's rays It retains the heat inside by the green house effect ANSWER DOWNLOAD EXAMIANS APP
Physics A ball is thrown vertically upward from the ground. It crosses a point at the height of 25 m twice at an interval of 4 seconds. The ball was thrown with the velocity of 30 m/s 18 m/s 36 m/s 25 m/s 30 m/s 18 m/s 36 m/s 25 m/s 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 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 ANSWER DOWNLOAD EXAMIANS APP
Physics The audio signals of TV are Amplitude modulated Frequency modulated Velocity modulated Unmodulated Amplitude modulated Frequency modulated Velocity modulated Unmodulated ANSWER DOWNLOAD EXAMIANS APP
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