Short answer type question
Question 1. Objects that emit their own light are known as?
Question 2. What is an opaque object?
Question 3. Give the difference between transparent and translucent objects.
Question 4. What do mean by reflection?
Question 5. How natural pinhole camera works?
Question 6. How images are different from shadows?
Question 7. Give some examples of translucent objects.
Question 8. Why we should not look directly at the sun?
Question 9. What are the characteristics of light?
Question 10. How does light get reflected by the mirror?
Long answer type questions
Question 1. What is a shadow? Write its characteristics.
Question 2. Describe the working of the pinhole camera.
Question 3. Why mirrors are used as a reflector?
Question 4. Illustrate an example to show that light travels in a straight line.
Question 5. How do opaque objects form shadows?