Light 100 MCQ Class 8 PDF

Light 100 MCQ Class 8 PDF

100 MCQs syllabus……..…. Page

Light MCQ Class 8 Question Answer ..... 1

What Makes Things Visible? .................. 2

Concept of Visibility of Objects and Light as the Key Factor ....................... 2

Emission and Reflection of Light ......... 2

Laws of Reflection .................................. 3

Incident Ray, Reflected Ray, and Normal ................................................ 3

Angle of Incidence and Angle of Reflection ............................................ 4

Laws of Reflection: Equality of Angles and Same Plane ................................. 4

Regular and Diffused Reflection ............. 5

Regular Reflection and its Characteristics .................................... 5

Diffused Reflection and its Characteristics .................................... 6

Causes of Diffused Reflection ............. 7

Reflected Light Can Be Reflected Again . 8

Multiple Reflections of Light ................ 8

Applications of Multiple Reflections ..... 8

Multiple Images ...................................... 9

Formation of Multiple Images Using Two Mirrors ........................................ 9

Relation Between the Angle and Number of Images .............................. 9

Kaleidoscope and its Construction ....10

Sunlight - White or Coloured .................11

Composition of Sunlight (White Light)11

Dispersion of Light and its Explanation ..........................................................12

Rainbow as an Example of Dispersion ..........................................................13

What Is Inside Our Eyes? .....................13

Structure and Function of the Human Eye ....................................................14

Blind Spot and its Demonstration ......15

Care of the Eyes ...................................17

Importance of Eye Care ....................17

Tips for Maintaining Good Eye Health ..........................................................17

Impact of Diet on Eye Health .............18

Night Blindness and its Causes .........18

Visually Impaired Persons Can Read and Write .....................................................19

Challenges Faced by Visually Impaired People ...............................................19

Non-Optical Aids ...............................19

Optical Aids .......................................20

What is the Braille System? ..................21

Structure of Braille Characters ..........22

How Braille is Read and Produced ....22