General Science and Technology

Heat, sound and light

First systematic UPSC revision with school-level arithmetic and basic science vocabulary; no specialist science degree assumed.

Includes

• Assigned sections and concise recall notes
• Available mapped practice and analysis of mistakes
• One initial closed-book review

Separate time needed

• Specialist derivations and laboratory training
• Subsequent revision and full mock tests
• Continuing technology and mission updates
• Duplicated ecology, agriculture, health-administration or energy-policy study

Editorial planning estimate; not learner timing data

• NIOS Science and Technology: Thermal Energy ↗

  Sections 14.1–14.6

• NIOS Science and Technology: Sound and Communication ↗

  Sections 18.1–18.6

• NIOS Science and Technology: Light Energy ↗

  Sections 15.1–15.8

• NIOS Science and Technology: Light Energy ↗

  Sections 15.9–15.16