JEE Main 2022 · 28 Jun · Shift 2 · Physics Q39

← JEE Main 2022 · 28 Jun · Shift 2

PhysicsSingle correct+4 / -1Question 39 of 90

What will be the effect on the root mean square velocity of oxygen molecules if the temperature is doubled and oxygen molecule dissociates into atomic oxygen ?

The velocity of atomic oxygen remains same

The velocity of atomic oxygen doubles

The velocity of atomic oxygen becomes half

The velocity of atomic oxygen becomes four times

Answer and worked solution

Official answer: B

$v_{rms}\propto\sqrt{T/M}$ . Doubling $T$ and halving $M$ multiplies it by 2.

(B)

Topics:Molecular speeds

← Previous question Next question →

JEE Main 2022 · 28 Jun · Shift 2, Physics question 39