Question

State the nature of the lens and the focal length if its power is + 4D​

Answer 1

Explanation:

Remplissez les blancs avec l'adjectif possessif:-

1.) J'aime _____ parents.

2.) Tu regardes _____ photo.

3.) Nous rangeons ____ affaires.

4.) Vous prenez ____ dèjeuner.

5.) Il ècrit à ____ cousin.

Language is french pls answer friends

Answer 2

Answer:

Power = +4D

(+ve sing shows that lens is convex)

p=100/f

4=100/f

f= 100/4 = 25cm. ans.

hope its helps you