MCQ
Emf is most closely related to
- AMechanical force
- ✓Potential difference
- CElectric field
- DMagnetic field
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Reason : Microwaves move faster than optical waves.
$(A)$ $\rho_A>\rho_B$ and $m_A=m_B$
$(B)$ $\rho_A<\rho_B$ and $m_A=m_B$
$(C)$ $\rho_A>\rho_B$ and $m_A > m_B$
$(D)$ $\rho_A<\rho_B$ and $m_A < m_B$