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What is the main source of energy for earth ?

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ICSE-ICSE ANNUAL EXAMINATION -2020-SECTION-II
  1. The figure above shows a solid of density dS floating in a liquid of d...

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  2. The figure above shows a solid of density dS floating in a liquid of d...

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  3. What is the main source of energy for earth ?

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  4. Though tidal energy is a clean source of energy, it is not a major sou...

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  5. What is the energy transformation in a solar cell?

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  6. The diagram below shows a light ray striking and reflecting from a pla...

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  7. The diagram below shows a light ray striking and reflecting from a pla...

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  8. The diagram below shows a light ray striking and reflecting from a pla...

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  9. An object is placed at 6 cm distance in front of a concave mirror of f...

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  10. An object is placed at 6 cm distance in front of a concave mirror of f...

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  11. The figure shows a glass container filled with air and having an elect...

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  12. The figure shows a glass container filled with air and having an elect...

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  13. The figure shows the snapshot of a sound wave in a certain medium at a...

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  14. The figure shows the snapshot of a sound wave in a certain medium at a...

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  15. The figure shows the snapshot of a sound wave in a certain medium at a...

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  16. State any two properties of magnetic field lines.

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  17. Give any one evidence which points towards the existance of the Earth....

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  18. A soft iron when brought close to a magnet is attracted towards it. Na...

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  19. An iron piece is converted into a magnet by passing current through a ...

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  20. State any one use of the magnet.

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