Question

(ii) Explain the term power of accommodation.

(ii) State the right hand thumb rule.

(iv) An object takes 5s to reach the ground from a height of 5 m on a pa What is the value of 'g' on the planet?

lanet​

Answer 1

Explanation:

2) the ability of eye lens to adjust it's focal length is called power of accommodation

3) imagine that you have held a current carrying straight conductor in your right hand in a such way that you are thumb points in the direction of the current. then turn your fingers around the conductor the direction of the fingers is the direction of magnetic lines of force produced by the current.

4) t - 5 s

s - 5m

u - 0 m/s

s = ut + 1/2 gt2

5= 0×5 + 1/2 × g ×(5) square

5 = 0+ 12.5g

g = 0.4 m/s2