Which of these is a concave lens?

The correct answer is Image 2.

Explanation:

Concave lens is defined as the lens which diverges the light falling on it. It is considered as a diverging lens.

Convex lens is defined as the lens which converges the light falling on it. It is considered as a converging lens.

Types of concave lens:

Types of convex lens:

So, image 1 is a double convex lens, image 2 is a plano-concave lens, image 3 is a plano-convex lens and image 4 is a concavo-convex lens.

Hence, the correct answer is Image 2.

the cellphone, they would then know if the killer would have contacted them or always hated them. or if it was a breakup. but if that is not the case, then it would be the clothing. to put in a bullet, it would have to be put in by hands. hands have finger prints which, would have giving you the answer of who done it.

explanation:

d is the correct answer