MCQ
कोणीय वर्ण-विक्षेपण बराबर होता है-
- ✓$\left(\mu_v-\mu_r\right) A$
- B$\left(\mu_v-\mu_r\right)$
- C$\left(\mu_v+\mu_r\right)$
- D$\left(\mu_v+\mu_r\right) A$
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