- Q1: What device produces beautiful patterns using mirrors?
Answer: Kaleidoscope
Explanation: A kaleidoscope is an optical device that forms beautiful patterns due to multiple reflections. - Q2: What shape of mirrors are used in a kaleidoscope?
Answer: Plane
Explanation: Plane mirrors are arranged inside a kaleidoscope to create multiple images. - Q3: How many mirrors are commonly used inside a kaleidoscope?
Answer: Three
Explanation: Usually three plane mirrors are placed inside a kaleidoscope to produce symmetrical patterns. - Q4: What materials are used along with mirrors in a kaleidoscope to form patterns?
Answer: Beads
Explanation: Small colored glass pieces or beads are placed inside to create patterns. - Q5: What principle of light is used in a kaleidoscope?
Answer: Reflection
Explanation: The working of a kaleidoscope is based on multiple reflection of light. - Q6: What is the shape of the tube of a kaleidoscope?
Answer: Cylindrical
Explanation: A kaleidoscope is made in the shape of a hollow cylinder. - Q7: What property of light helps in the formation of repeated patterns in a kaleidoscope?
Answer: Multiple
Explanation: Multiple reflection of light between mirrors helps form beautiful patterns. - Q8: What type of images are formed inside a kaleidoscope?
Answer: Symmetrical
Explanation: The images seen in a kaleidoscope are symmetrical and colourful. - Q9: What is the covering material of the viewing hole in a kaleidoscope?
Answer: Glass
Explanation: A transparent glass sheet is used to cover the hole through which we see the patterns. - Q10: What is the name of the reflecting surface used inside a kaleidoscope?
Answer: Mirror
Explanation: Plane mirrors are the reflecting surfaces used to reflect light and form patterns.