Block is balanced in air. find angle alpha and bita ​

Abody starting from rest moves with constant acceleration. the ratio if distance covered by the body during the 5th second to that covered in 5 seconds is?

Outdoor assessment questions: - 1.parallel rays of light from a distance object the cornea? a)converged b)diverged 2.what happens to the focal length of the crystalline lens of our eyes when ciliary muscles contract? a)increases b)decreases c)remains the same 3.as an object is moved from the near point towards infinity, thikness of the crystalline lens will : a)increase b)decrease c)remains the same 4.the far point of an eye was at 200m instead at infinity .which lens should this person use, to be able to see objects placed at the infinity clearly? a)convex lens b)concave lens

The current flowing through a resistor connected in an electrical circuit and the potential difference developed across and is shown in figure find the value of resistance in of resistance​