Question

A disc arranged in a vertical plane has two groves of same length directed along the vertical chord AB and CD as shown in the fig.
The same particles slidedown along AB and CD. The ratio of the time t AB/tcp is
60
(A) 1:2
(B) 1:2
(C) 2:1
(D) 2:1​

Answer 1

Answer:

C. 2:1

Explanation:

if u want the brief explanation please follow me and mark me as brainliest I will explain in brief