Exploring Mirrors and Lenses

What type of mirror is used in a car's side mirror to give a wider field of view?

• Plane mirror

• Concave mirror

• Convex mirror

• Cylindrical mirror

Which lens is thicker at the center than at the edges?

• Concave lens

• Convex lens

• Cylindrical lens

• Plane lens

Which optical instrument uses lenses to magnify small objects?

• Telescope

• Microscope

• Periscope

• Camera

What is the formula for magnification in a lens?

Which type of lens is used to correct myopia (nearsightedness)?

• Convex lens

• Concave lens

• Cylindrical lens

• Bifocal lens

What is the principle behind the working of a periscope?

• Reflection

• Refraction

• Diffraction

• Dispersion

Tags

NGSS.MS-PS4-2

If an object is placed at the focal point of a concave mirror, what will be the nature of the image formed?

• Real and inverted

• Virtual and upright

• No image is formed

• Real and upright

Which optical instrument uses both lenses and mirrors to form an image?

• Microscope

• Telescope

• Camera

• Binoculars

Which type of mirror is used in a shaving mirror to provide a magnified image?

• Plane mirror

• Concave mirror

• Convex mirror

• Cylindrical mirror

What is the relationship between the object distance (u), image distance (v), and focal length (f) in a lens?