Question

मेंडलीफ की आवर्त सारणी एवं मोसले की आधुनिक आवर्त सारणी में तत्वों की व्यवस्था की तुलना कीजिए कोई पांच​

Answer 1

Explanation:

> > 2 < < ∞ Real, inverted and

enlarged

u = f = ∞ Real, inverted and

highly enlarged

f > u > 0 Behind the mirror Virtual, erect and

enlarged

i) When an object is placed at 30 cm in front of a

concave mirror, image of the same size is formed.

What is the focal length of the mirror?

ii) Differentiate between virtual image formed by a

concave mirror and of a convex mirror.

iii) A virtual, erect and magnified image of an