i and ii only
ii and iii only
i and iii only
i, ii and iii
Correct answer is A
No explanation has been provided for this answer.
\(\frac{d}{n}\)
dn
\(\frac{d}{n - 2}\)
\(\frac{d(n - 1)}{n}\)
Correct answer is A
n = \(\frac{R.d}{A.d}\)
R.d = \(\frac{R.d}{n} = \frac{d}{n}\)
When an object is placed at the centre of curvature of a concave mirror, its image is formed at
the focus
infinity
the centre of curvature
a distance twice the radius of curvature
Correct answer is C
No explanation has been provided for this answer.
converging lens
diverging lens
converging mirror
parabolic mirror
Correct answer is C
No explanation has been provided for this answer.
2cm
9cm
16cm
18cm
Correct answer is D
No explanation has been provided for this answer.