# Oscillations and Waves-Free Forced and Damped Oscillations (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics): Questions 1 - 2 of 3

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## Question number: 1

» Oscillations and Waves » Free Forced and Damped Oscillations

### Question

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.

(1)

(2)

(3) The magnitude of the tangential acceleration of the bob

(4)

Select the correct answers and mark it according to the following codes:

### Choices

Choice (4) | Response | |
---|---|---|

a. | 2 and 4 are correct | |

b. | 1,2 and 3 are correct | |

c. | 1 and 2 are correct | |

d. | 1 and 3 are correct |

## Question number: 2

» Oscillations and Waves » Free Forced and Damped Oscillations

### Question

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.

(1)

(2)

(3) The magnitude of the tangential acceleration of the bob

(4)

Select the correct answers and mark it according to the following codes:

### Choices

Choice (4) | Response | |
---|---|---|

a. | 1 and 3 are correct | |

b. | 2 and 4 are correct | |

c. | 1 and 2 are correct | |

d. | 1,2 and 3 are correct |