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प्रश्न
(i) The conversion of part of the energy into an undesirable form is called ______________.
(ii) For a given height h, __________________ the length l of the inclined plane, lesser will be the effort required.
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उत्तर
(i) The conversion of part of the energy into an undesirable form is called dissipation of energy.
(ii) For a given height h, more the length l of the inclined plane, lesser will be the effort required.
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