JEE MAIN - Physics Bengali (2022 - 25th June Morning Shift - No. 3)
যদি দুটি একক ভেক্টর $$\mathop A\limits^ \wedge $$ এবং $$\mathop B\limits^ \wedge $$ নিজেদের মধ্যে $$\theta $$ কোণে অবস্থান করে, তবে কোন সম্পর্কটি সঠিক ?
$$\left| {\mathop A\limits^ \wedge + \mathop B\limits^ \wedge } \right| = \left| {\mathop A\limits^ \wedge - \mathop B\limits^ \wedge } \right|\,\tan {\raise0.5ex\hbox{$\scriptstyle \theta $}
\kern-0.1em/\kern-0.15em
\lower0.25ex\hbox{$\scriptstyle 2$}}$$
$$\left| {\mathop A\limits^ \wedge - \mathop B\limits^ \wedge } \right| = \left| {\mathop A\limits^ \wedge + \mathop B\limits^ \wedge } \right|\,\tan {\raise0.5ex\hbox{$\scriptstyle \theta $}
\kern-0.1em/\kern-0.15em
\lower0.25ex\hbox{$\scriptstyle 2$}}$$
$$\left| {\mathop A\limits^ \wedge + \mathop B\limits^ \wedge } \right| = \left| {\mathop A\limits^ \wedge - \mathop B\limits^ \wedge } \right|\,\cos {\raise0.5ex\hbox{$\scriptstyle \theta $}
\kern-0.1em/\kern-0.15em
\lower0.25ex\hbox{$\scriptstyle 2$}}$$
$$\left| {\mathop A\limits^ \wedge - \mathop B\limits^ \wedge } \right| = \left| {\mathop A\limits^ \wedge + \mathop B\limits^ \wedge } \right|\,\cos {\raise0.5ex\hbox{$\scriptstyle \theta $}
\kern-0.1em/\kern-0.15em
\lower0.25ex\hbox{$\scriptstyle 2$}}$$
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