In a meeting hall which is initially half-filled with participants, and after some time becomes full in capacity, then the clarity of speech
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Clarity of speech increases as the number of people in the hall is increased. Because of more people, the sound gets absorbed more, due to which reverberation time decreases and thus clarity of speech increases.
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9L of water is drawn from a cask which was initially full and is then filled with milk. 9L of the present mixture is again taken out and the cask is again filled with milk. The ratio of the quantity of water now left in the cask to that of the milk is 16 : 9. What is the capacity of the cask?
9L of a water-soluble liquid is drawn from a vessel of capacity 90L which was initially full and is then filled with water. 9L of the solution thus formed is removed and replaced with water. What is the quantity of the liquid in the final solution?
A particle is projected with initial speed 10 m/s at an angle of 53∘ with horizontal. Then the time after which its speed becomes half of the initial speed.
Half of the space between a parallel plate capacitor is filled with a medium of dielectric constant K parallel to the plates. If initially the capacity was C. Then the new capacity will be:
A gas bulb is filled with NO2 gas and immersed in an ice bath at 0oC which becomes colourless after some time. This colourless gas will be: