Fill the gaps on ray optics

Exercise and reference answers

Missing parts

1. Answer

   converge

   Choices

   1. converge
   2. diverge
   3. disperse

2. Answer

   25

   Choices

   1. 25
   2. 50
   3. 75

3. Answer

   objective

   Choices

   1. objective
   2. eyepiece
   3. condenser

4. Answer

   distant

   Choices

   1. distant
   2. tiny
   3. hidden

Complete the statement

A concave mirror makes parallel rays {0}. The near point is about {1} cm. The lens nearest the object is the {2}. A telescope magnifies {3} objects.

Instructions

Tap a word to drop it into the empty slot.

Explanation