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Describe the image formationn by concave mirror.

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Differentiate between dilute and concentrated solution ?

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What do you know about the person who first entered the space?

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What do you know about Ceres and Vesta?

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What is kinetic energy?

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How does sound travel? Explain.

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What do you know about gold?

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Define viberation?

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Give the uses of communication satellite?

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Distinguish between aqueous, dilute and concntrated solutions.

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Define artificial satellite?

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Why pulleys are used?

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Write a short note on Explorer-1?

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What happens when light falls on the surface of non-luminous objects?

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How scientists define energy?

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What are the uses of convex mirror?

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Why the base of a vehicle is made wide?

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Compare charactersitics of the images formed by a plane mirror and a pinho;le camera

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Investigate the processes making use of thermal expansion of substances.

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How were asteroids formed?

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