Optics Quiz

What is the phenomenon called when light rays are incident on an opaque polished surface and are returned back in the same medium?

• Diffraction

• Reflection

• Refraction

• Dispersion

In which type of mirror is a real image formed when two or more reflected rays meet at a point in front of the mirror?

• Convex Mirror

• Plane Mirror

• Concave Mirror

• Spherical Mirror

What is the characteristic of the image formed by a plane mirror?

• Real and Erect

• Virtual and Inverted

• Virtual and Erect

• Real and Inverted

What is the center of the spherical surface of the mirror called?

• Principal Axis

• Center of Curvature

• Pole

• Aperture

In which case is a real image formed by a concave mirror when the object is placed between the center of curvature and the focus?

• Image at Focus

• Image at Infinity

• Image at Center of Curvature

• Image between Focus and Center of Curvature

What is the sign convention that fixes the signs of different distances measured in optics?

• New Cartesian Sign Convention

• Radial Sign Convention

• Old Cartesian Sign Convention

• Polar Sign Convention

What happens to the image formed by a convex mirror when the object is at infinity?

• Virtual and Erect

• Virtual and Inverted

• Real and Erect

• Real and Inverted

What is the distance between the pole and the principal focus of the mirror called?

• Aperture

• Focal Length

• Radius of Curvature

• Principal Focus

In which case is a virtual image formed by a convex mirror when the object is placed between the focus and the pole?

• Image at Focus

• Image at Infinity

• Image at Center of Curvature

• Image between Focus and Center of Curvature

What is the distance between the pole and the center of curvature of the mirror called?

• Radius of Curvature

• Focal Length

• Principal Focus

• Aperture