Magnetic Effects of Electric Current — Science STD 10 — Question

To bring light from a distant object to a focus on the retina of the eye, the convex eye-lens needs to be made ____.

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The more acidic a solution, the _________ the pH.

The addition of hydrogen to a substance is called __________ whereas removal of hydrogen is called __________.

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For a current-carrying solenoid, the magnetic field is like that of a _______.

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Khadin is a traditional _________ harvesting system in Rajasthan.

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Rose plants and sugar cane crop are usually grown by the _________ method.

The corrosion of copper produces a ______ coating of basic copper carbonate on its surface.

The ciliary muscles control the shape of the _____.

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Fusion of gametes gives rise to a single cell called ________.

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We can see the sun about _____ minutes before the actual sunrise and about ______ minutes after the actual sunset because of atmospheric _____.