NEET Physics: Questions 1749 - 1752 of 2099
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A particle performs linear SHM such that it is placed on platform-1 & platform-2 along with particles up and down with amplitude A = 8 cm. If the particle does not loose contact with platform anywhere and mass of particle is 2 kg, find:
Question number: 1749 (1 of 1 Based on Passage) Show Passage
Question number: 1750
A simple pendulum of length L and mass (bob) M is oscillating in a plane about a vertical line between angular limits – ϕ and + ϕ. For an angular displacement θ (| θ| < ϕ), the tension in the string and the velocity of the bob are T and v respectively. The following relations hold good under the above conditions.
(3) The magnitude of the tangential acceleration of the bob
Select the correct answers and mark it according to the following codes:
1 and 3 are correct
1 and 2 are correct
2 and 4 are correct
1, 2 and 3 are correct
Question number: 1751
A mass m = 100 gm is attached at the end of a light spring which oscillates on a frictionless horizontal table with an amplitude equal to 0.16 meter and time period equal to 2 sec. Initially the mass is released from rest at t = 0 and displacement x =-0.16 meter. The expression for the displacement of mass at any time t is,
Question number: 1752
When temperature remains constant, change in air pressure do not affect the speed of sound.
Speed of sound is proportional to the square root of pressure.
|a.||Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ|
|b.||Both Ꭺ and Ꭱ are false|
|c.||Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ|
|d.||Ꭺ is false but Ꭱ is true|