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The tidal forces are ______________ in gravitational attraction exerted by celestial bodies.

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The tidal forces are ______________ in gravitational attraction exerted by celestial bodies.

(a) Aperiodic variations

(b) Periodic variations

(c) Continuous

(d) Discrete

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This interesting question is from Tidal and Wave Power in chapter Non Conventional Energy Sources and Storage Devices of Applied Chemistry

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The correct choice is (b) Periodic variations

The best explanation: The tidal forces are periodic variations in gravitational attraction exerted by celestial bodies. These forces create the corresponding motions or currents in the world oceans.

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