Test for Light, Shadow, and Reflection

Objective: To assess the understanding of students regarding the concepts of light, shadow, and reflection.

Instructions:
1. This test consists of multiple-choice questions.
2. Read each question carefully and choose the correct option.
3. Select only one option for each question.
4. There is no negative marking.
5. Total marks for the test are mentioned at the end.

Test Questions:

1. Which of the following is a source of light?
a) Moon
b) Book
c) Candle
d) Chair

2. Which of the following objects does not cast a shadow?
a) Transparent glass
b) Opaque box
c) Wooden board
d) Metal spoon

3. What is a shadow?
a) An object that blocks light
b) An object that reflects light
c) An object that emits light
d) An object that absorbs light

4. What happens when light falls on a mirror?
a) It gets absorbed
b) It passes through the mirror
c) It gets reflected
d) It gets scattered

5. Which of the following is an example of a reflection of light?
a) A rainbow
b) A candle flame
c) A glowing bulb
d) A shooting star

6. How many types of surfaces are there based on the reflection of light?
a) One
b) Two
c) Three
d) Four

7. What is the angle of incidence?
a) The angle between the incident ray and the reflected ray
b) The angle between the normal and the reflected ray
c) The angle between the incident ray and the normal
d) The angle between the reflected ray and the normal

8. Which of the following is not a natural source of light?
a) Sun
b) Stars
c) Fireflies
d) Electric bulb

9. The image formed in a plane mirror is:
a) Real and inverted
b) Real and erect
c) Virtual and inverted
d) Virtual and erect

10. What does a concave mirror do to light rays falling on it?
a) It converges them
b) It diverges them
c) It absorbs them
d) It scatters them

Answer Key:
1. c) Candle
2. a) Transparent glass
3. a) An object that blocks light
4. c) It gets reflected
5. a) A rainbow
6. b) Two
7. c) The angle between the incident ray and the normal
8. d) Electric bulb
9. c) Virtual and inverted
10. a) It converges them

Total Marks: 10