JEE Advanced 2021 Full Test 1 Paper 1

PART – I

Physics

SECTION – A (One Options Correct Type)
This section contains 06 multiple choice questions. Each question has four choices (A), (B), (C) and (D), out of which ONLY ONE option is correct.

Question : 3 of 54

Marks: +1, -0

Two identical small blocks each of mass 1kg are given velocity 4m∕s towards each other. All collision are elastic and surface between 1m to 2m is rough (µ=0.7) and rest part is smooth. Then:

Speed of each block after first collision is √2m∕s
Speed of each block after first collision is 4m∕s
Separation between blocks when they stop is 2∕7m
Separation between blocks when they stop is 5∕7m

Validate

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