Activity 14.1 NCERT Class 10 Science, Sources of Energy
Forms of energy and sources of energy.
Activity 10.6 NCERT Class 10 Science, Light Reflection and Refraction
Image of a distant big object like a tree with different types of mirror and sizes.
Activity 10.5 NCERT Class 10 Science, Light Reflection and Refraction
Image formation of a pencil/object in a convex mirror.
Activity 1.9 Ncert Science class 10
Displacement reaction by an iron nail in a copper sulphate solution.