Light – Reflection and Refraction — Science STD 10 — Question

______ is the commercial unit of electrical energy.

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Nuclear ____________ is used in nuclear power stations for the production of electricity.

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Parallel rays of light are reflected by a concave mirror to a point called the _____.

In myopia, the _______ of the eye has shifted to some nearby point.

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The earth’s magnetic field is rather like that of a _________ magnet with its ______ pole in the.

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When light is reflected, the angles of incidence and reflection are _____.

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When a ray of light goes from air into a clear material, you see the ray bend. How much the ray bends is determined by the ___________ of the material.

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

The earth’s magnetic field is rather like that of a _________ magnet with its ______ pole in the.

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Lenses refract light to form images, a _________ lens can form both real and virtual images, but a diverging lens forms only ________ images.