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MHT CET 2021 20th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Two masses '$$m_{\mathrm{a}}$$' and '$$\mathrm{m}_{\mathrm{b}}$$' moving with velocities '$$v_{\mathrm{a}}$$' and '$$v_{\mathrm{b}}$$' opposite directions collide elastically. Alter the collision '$$m_a$$' and '$$m_b$$' move with velocities and '$$v_{\mathrm{b}}$$' and '$$v_a$$' respectively, then the ratio $$\mathrm{m_a:m_b}$$ is

A
$$\frac{v_a+v_b}{v_a-v_b}$$
B
$$\frac{1}{2}$$
C
1
D
$$\frac{v_a-v_b}{v_a+v_b}$$
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