Physics Man perceives sound vibrations in the frequency ranges of 6 – 10 Hz 11 – 20 Hz 20 – 20000 Hz 0 – 5 Hz 6 – 10 Hz 11 – 20 Hz 20 – 20000 Hz 0 – 5 Hz 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 36 m/s 30 m/s 18 m/s 25 m/s 36 m/s 30 m/s 18 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 2.2 km, 0.20 km 3.3 km, 0.30 km 1.8 km, 0.15 km 2.8 km, 0.25 km 2.2 km, 0.20 km 3.3 km, 0.30 km 1.8 km, 0.15 km ANSWER DOWNLOAD EXAMIANS APP
Physics Solar energy is converted into chemical energy during Photosynthesis Osmosis Transpiration Diffusion Photosynthesis Osmosis Transpiration Diffusion ANSWER DOWNLOAD EXAMIANS APP
Physics A fresh egg when placed in salt water will Sink and go to the bottom Sink but will not go to the bottom Float Burst Sink and go to the bottom Sink but will not go to the bottom Float Burst ANSWER DOWNLOAD EXAMIANS APP
Physics Which among the following determines the pitch of a sound? Loudness Frequency Amplitude Wavelength Loudness Frequency Amplitude Wavelength ANSWER DOWNLOAD EXAMIANS APP
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