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CBSE Class 9 Science Question Paper SA-II (Set-1) 2014

May 1, 2015 14:43 IST

    Find CBSE Class 9 Science Question Paper SA-II (Set-1) 2014. These questions not only helps the students to prepare for exams in a better manner, but also helps them in understanding the depth with which a topic should be studied.

    Few Sample Questions from the Question Paper are given below:

    Q. Helium atom has 2 electrons in its valence shell but its valency is not 2. Explain.

    Q. When does precipitation of water droplets occur as snow, sleet or hail?

    Q. State the laws of reflection of sound waves and it two applications.

    Q. An atom contains 3 protons, 3 electrons and 4 neutrons. Find its atomic number, mass number and valency?

    Q. Define potential energy. Write the SI unit of potential energy. Derive an expression for potential energy.

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