Question

In a vertical disc two grooves are made as shown in figure. AB is a diameter. Two balls are dropped at A one in each groove, simultaneously. Then:

(A)Time to each at C is less than that to reach at B

(B)Time to reach at C is greater than that to reach at B

(C)Time to reach at C is equal to that to reach at B

(D)The difference in time to reach at C and to reach at B may be positive, negative or zero depending on the angle alpha
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Answer 1

Answer:

here is your ans

Explanation:

Answer

Correct option is

C

Time to reach C is equal to that to reach at B