TQ Sci10

Which optical instrument can you use to view a magnified version of a very small yet very near object?

• Camera

• Terrestrial Telescope

• Astronomical Telescope

• Compound Microscope

What are the optical instruments used in a microscope?

• Concave and convex lens

• Two concave lenses

• Two convex lenses

• None of the above

What is TRUE about a telescope as an optical instrument? It _____________________ .

• helps us see distant objects better

• magnifies distant objects

• gives us an erect image of the object

• all of the above

A girl wants to see an enlarged image of her face. What can serve her purpose well?

• Plane mirror

• Concave mirror

• Convex mirror

• Magnifying lens

What image is formed on the retina by the lens of the eye?

• Real and erect

• Real and inverted

• virtual and erect

• virtual and inverted

Which law gives the relationship between the angle of incidence and the angle of refraction?

• Lens Law

• Mirror Law

• Snell’s Law

• Law of Reflection

What law states that the angle of incidence is equal to the angle of reflection?

• Lens Law

• Snell’s law

• Law of Reflection

• Law of Refraction

Which lens can be used to cure myopia?

• Diverging lens

• Cylindrical lens

• Converging lens

• Any of the above

As used in the law of reflection, the word normal means _________________.

• any ray

• tangent to the interface

• parallel to the interface

• perpendicular to the interface

When an object is at the center of curvature of a concave mirror, the image is _______________.

• real, upright, and bigger than the object

• real, inverted, and bigger than the object

• virtual, upright, and bigger than the object

• real, inverted, and the same size as the object