Please select a subject first
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Differentiate between conductors and insulators.
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Draw a labelled diagram: Dispersion of light through a prism.
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Answer the following:
What do you mean by dispersion? Name the different colours of light in the proper sequence in the spectrum of light.
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Rewrite the following statement by selecting the correct option:
If a ray of light strikes a glass slab at an angle of 600 with the surface of the slab, the angle of incidence must be __________________.
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Match the Columns:
| Column ‘A’ | Column ‘B’ |
| The wavelength of red light | (a) 600 nm |
| (b) 700 nm | |
| (c) 500 nm |
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- Complete the given chemical reaction:
\[\ce{CuSO4_{(aq)} + Fe_{(s)} ->}\] _______ + _______ - Name the type of the reaction.
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The elements from the zero group are called _______.
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The elements from the zero group are called _______.
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The process of separation of light into its component colours while passing through a medium is called _______.
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In preparation of Aqua regia hydrochloric acid and _______ acid are mixed.
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If a spacecraft is to be sent to travel to outer space, it must have a minimum velocity of _______.
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The astronomical object closest to us is the _______.
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Eka boron : Scandium : : Eka Aluminum : _______
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Eka boron : Scandium : : Eka Aluminum : _______
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Two elements in the same position : demerit of Newland's octaves : : place for Isotopes : _______
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Two elements in the same position : demerit of Newland's octaves : : place for Isotopes : _______
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Find the odd one out and give its explanation.
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Find the odd one out and give its explanation.
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Find the odd one out and give its explanation.
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Find the odd one out and give its explanation.
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