1. Characteristics of an ideal source of energy: - It should be able to do large amount of work for each unit of mass or volume. - It should be easily accessible. - It should be easily transported. - It should be economical.

    Characteristics of an ideal source of energy:

    – It should be able to do large amount of work for each unit of mass or volume.

    – It should be easily accessible.

    – It should be easily transported.

    – It should be economical.

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  2. Options given in (a) and (b) are almost same. An energy source which can be quickly renewed is called renewable or inexhaustible. On the other hand, the energy source which cannot be renewed in foreseeable future are called non-renewable or exhaustible.

    Options given in (a) and (b) are almost same. An energy source which can be quickly renewed is called renewable or inexhaustible. On the other hand, the energy source which cannot be renewed in foreseeable future are called non-renewable or exhaustible.

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  3. Options given in (a) and (b) are almost same. An energy source which can be quickly renewed is called renewable or inexhaustible. On the other hand, the energy source which cannot be renewed in foreseeable future are called non-renewable or exhaustible.

    Options given in (a) and (b) are almost same. An energy source which can be quickly renewed is called renewable or inexhaustible. On the other hand, the energy source which cannot be renewed in foreseeable future are called non-renewable or exhaustible.

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  4. Energy from tides can be harnessed only at selected places; only in coastal areas.

    Energy from tides can be harnessed only at selected places; only in coastal areas.

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  5. Energy from waves can be harnessed only at selected places; only in coastal areas.

    Energy from waves can be harnessed only at selected places; only in coastal areas.

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