JEE Main 26 Feb 2021 Shift 1 Solved Paper

The mass per unit length of a uniform wire is 0.135g∕cm. A transverse wave of the form y=−0.21‌sin(x+30t) is produced in it, where x is in metre and t is in second. Then, the expected value of tension in the wire is x×10−2N. Value of x is ......... (Round-off to the nearest integer)