Here are 10 One-word Answer Type Questions from the chapter “Light, Shadows and Reflections” based on your uploaded PDF content. Each question is followed by its answer and explanation:
Topic: Light, Shadows and Reflections
1. Question: What is needed to see things around us?
Answer: Light
Explanation: We can see things only when light falls on them and reaches our eyes.
2. Question: What is formed when an object blocks the path of light?
Answer: Shadow
Explanation: A shadow is formed when an opaque object blocks light, creating a dark shape behind it.
3. Question: Which type of object allows light to pass through completely?
Answer: Transparent
Explanation: Transparent objects like glass allow light to pass through fully.
4. Question: Which type of object does not allow light to pass through at all?
Answer: Opaque
Explanation: Opaque objects like wood or stone block light completely and form shadows.
5. Question: What is the clear image seen in a mirror called?
Answer: Reflection
Explanation: A reflection is the image of an object formed when light bounces off a shiny surface like a mirror.
6. Question: What kind of surface is needed to form a reflection?
Answer: Smooth
Explanation: A smooth and shiny surface is needed to form a clear reflection.
7. Question: What is the colour of a shadow?
Answer: Black
Explanation: A shadow is always black because it is formed due to absence of light.
8. Question: Which direction does light always travel in?
Answer: Straight
Explanation: Light travels in a straight line until something blocks or reflects it.
9. Question: What is needed between a source of light and a screen to form a shadow?
Answer: Object
Explanation: An object is required to block the light and form a shadow on the screen.
10. Question: What is the shape of the shadow of a circular object?
Answer: Circular
Explanation: The shadow of a circular object is usually circular, but may change based on the angle of light.
If you want, I can now prepare the next set from the chapter “Work We Do” or any other chapter in the same pattern.
Shall I continue?
