JEE Main 20 July 2021 Shift 2 Solved Paper

Section: Physics

Question : 2 of 90

Marks: +1, -0

A boy reaches the airport and finds that the escalator is not working. He walks up the stationary escalator in time t1. If he remains stationary on a moving escalator then the escalator takes him up in time t2. The time taken by him to walk up on the moving escalator will be:

[20 Jul 2021 Shift 2]

t1t2
t2−t1
t1+t2
2
t1t2
t2+t1
t2−t1

Validate

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