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Punjab Physics Online 9th Class Test Lesson 8 Thermal Properties Of Matter
Heat is the Energy that is transferred from one body to other body in thermal contact with each other as…
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Punjab Physics Online 9th Class Test Lesson 7 Properties of Matter
This chapter is about Properties of Matter. Solids have shape of their own while the Liquids and gasses do not.…
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Punjab Physics Online 9th Class Test Lesson 6 Work and Energy
This chapter is about the Two topics work and Energy, Work is product of force F and Displacement S in…
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Punjab Physics Online 9th Class Test Lesson 5 Gravitation
Everybody in the Universe attracts every other body with a force which is directly proportional to the product of their…
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