NEET Physics: Questions 1775 - 1779 of 2099
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Question number: 1775
A man is standing between two parallel cliffs and fires a gun. If he hears first and second echoes after 1.5 s and 3.5s respectively, the distance between the cliffs is (Velocity of sound in air = 340 ms -1)
Question number: 1776
Question number: 1777
The relation between time and displacement for two particles is given by
The ratio of the intensities of the waves produced by the vibrations of the two particles will be
Question number: 1778
Sound from a tuning fork is louder when its stem is placed on a desktop
When a wave reaches another denser medium some part of it is reflected.
|a.||Ꭺ is false but Ꭱ is true|
|b.||Both Ꭺ and Ꭱ are false|
|c.||Ꭺ is true but Ꭱ is false|
|d.||Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ|