Two balls, having linear momenta p_1^{\to} = pi^{\^} and p_2^{\to} = -pi^{\^} , undergo a collision in free space. There is no external force acting on the balls. Let \overrightarrow{p_1'} and \overrightarrow{p_2'} be their final momenta. The following option(s) is(are) NOT ALLOWED for any non-zero value of p, a_1,a_2,b_1,b_2,c_1 and c_2. [JEE Adv 2008 P1]

\overrightarrow{p_1'} = a_1i^{\^}+b_1j^{\^}+c_1k^{\^} \overrightarrow{p_2'} = a_2i^{\^}+b_2j^{\^}

\overrightarrow{p_1'} = c_1k^{\^} \overrightarrow{p_2'} = c_2k^{\^}

\overrightarrow{p_1'} = a_1i^{\^}+b_1j^{\^}+c_1k^{\^} \overrightarrow{p_2'} = a_2i^{\^}+b_2j^{\^}-c_1k^{\^}

\overrightarrow{p_1'} = a_1i^{\^}+b_1j^{\^} \overrightarrow{p_2'} = a_2i^{\^}+b_2j^{\^}

IIT JEE Advanced 2008 Paper 1

Section: Physics

Question : 10 of 69

Marks: +1, -0

Two balls, having linear momenta

→

= p

and

→

= −p

, undergo a collision in free space. There is no external force acting on the balls. Let

→

p1′

and

→

p2′

be their final momenta. The following option(s) is(are) NOT ALLOWED for any non-zero value of p, a1,a2,b1,b2,c1 and c2.

[JEE Adv 2008 P1]

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