Pick the right answer, quickly

Exercise and reference answers

Questions

1. Question

   A spoon's inside behaves like:

   Choices

   1. A concave mirror
   2. A convex mirror
   3. A plane mirror

   Correct choice

   A concave mirror

2. Question

   A car rear-view mirror is:

   Choices

   1. Concave
   2. Convex
   3. Plane

   Correct choice

   Convex

3. Question

   A plane mirror image is:

   Choices

   1. Real, inverted
   2. Virtual, erect
   3. Real, erect

   Correct choice

   Virtual, erect

4. Question

   The centre of curvature is written:

   Choices

   1. R
   2. C
   3. P

   Correct choice

   C

5. Question

   Magnification compares heights of:

   Choices

   1. Image and object
   2. Image and focus
   3. Object and axis

   Correct choice

   Image and object

Instructions

Tap the correct answer before the round moves on.

Explanation