Physics XI H.W for 2074-4-30

Physics XI 

H.W for 2074-4-30

1.     What are the time period and frequency of a body in SHM ?

2.     Name the motion in which velocity is maximum in spite of being zero displacement. Also demonstrate three main character of SHM with the help of figure.

3.     What is phase?

4.     What is linear expansion? Find the length of rod at θ₂ ⁰ C whose length is l₁  at θ₁⁰ C.

5.     Derive relation for energy stored in a stretched wire.

6.     State and explain Hooke’s law. How can you verify it experimentally?