Q. Thermal energy always flow from a region of

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Q. The thermal energy is transferred only when there is

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Q. Thermal energy is transferred by

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Q. The boiling point of water is

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Q. Water freezes to form ice at

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Q. We are able to see everything around us because of

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Q. A bundle of light rays form a

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Q. The objects that do not give off light are known as

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Q. Light travels in

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Q. The objects that give off light are known as

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Q. It is possible for light to circle the Earth more than seven times in

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Q. Which of the following is true?

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Q. The types of light beam are

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Q. In vacuum, light travels in an amazing speed of

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Q. Physics deals with the ideas of

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Q. We study about matter, energy and their interaction in

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Q. The study of the natural world around us, from the solar system to the atom is known as

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Q. For 2 objects of the different masses moving at same speed, the object of greater mass has

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Q. A girl accidently dropped a stone from her building, the mass os the stone is 12 g and the height is 60 m. If the air resistance can be neglected and g = 10 N kg⁻¹, what is the speed of the stone when it hits the ground?

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Q. The SI unit of work is

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