A convex mirror is used as a driving mirror bec... - JAMB Physics 2020 Question
A convex mirror is used as a driving mirror because
I. its image is erect
II. It has a large field of view
III. It has a long focal length
Identify the CORRECT statement(s)
A
I and III only
B
I and II only
C
II and IIII only
D
I, II and III only
correct option: c
(A) R\(_T\) = 2 + 3 + 6 = 11\(\Omega\)
(B) R\(_T\) = \(\frac{3 \times 3}{2 + 3}\) = 1.2\(\Omega\)
(C) R\(_T\) = \(\frac{3 \times 2 \times 6}{(2 \times 3) + (2 \times 6) + (3 \times 6)}\)
= 1\(\Omega\)
(D) R\(_T\) = 3 + \(\frac{2 \times 6}{2 + 6}\)
= 4.5 \(\Omega\)
Please share this, thanks:
Add your answer
No responses