Question

a.Write the differences between concave lens and concave lens. B. Write any two uses of concave and concave mirror.

Answer 1

Explanation:

i think your question is not right first check the question u written that difference between concave lens and concave lens.....¯\_(ツ)_/¯

Answer 2

Answer:

#hope it helps u

Explanation:

• a) A convex lens is thicker at the centre and thinner at the edges. A concave lens is thicker at the edges and thinner at the centre. Due to the converging rays, it is called a converging lens. Due to the diverging rays, it is called a diverging lens.
• A convex lens or converging lens focuses the light rays to a specific point whereas a concave lens or diverging lens diverges the light rays. When these lenses are combined, they produce sharper images. ... Most of the eyeglass lenses

• b) Concave mirrors are commonly used in torches, searchlights and headlights of vehicles to get powerful parallel beams of light. They are used as shaving mirrors to see a larger image of the face. Dentists use concave mirrors to view large images of the teeth of the patients.
• Uses Of Concave Mirror
• Shaving mirrors.
• Head mirrors.
• Ophthalmoscope.
• Astronomical telescopes.
• Headlights.
• Solar furnaces.