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If a piece of metal is heated to tempera...

If a piece of metal is heated to temperature `theta` and the allowed to cool in a room which is at temperature `theta_0`, the graph between the temperature T of the metal and time t will be closet to

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SL ARORA-Thermal Properties of Matter-Exercise
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  2. According to Newton's law of cooling, the rate of cooling of a body is...

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  3. If a piece of metal is heated to temperature theta and the allowed to ...

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  4. A liquid in a beaker has temperature theta(t) at time t and theta0 is ...

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  5. A pressure cooker reduces cooking time because

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  6. Which of the following is more close to a black body?

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  7. If the temperature of the sun were to increase form T to 2T and its ra...

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  8. Two spheres of the same material have radii 1m and 4m and temperatures...

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  9. Assuming the Sun to be a spherical body of radius R at a temperature o...

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  10. The earth radiates in the infra-red region of the spectrum. The spectr...

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  11. A radiation of energy E falls normally on a perfectly reflecting surfa...

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  12. A copper ball of mass 100 g is at a temperature T. it is dropped in a ...

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  13. An external pressure P is applied on a cube at 0^(@)C so that it is eq...

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  14. A pendulum clock loses 12s a day if the temperature is 40^@C and gains...

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  15. A simple pendulum made of bob of mass m and a metallic wire of neglig...

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  16. The quantity of heat required to change the unit mass of a solid subst...

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  17. When a solid is heated, it turns directly into a gas. This process is ...

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  18. A constant pressure air thermometer gave a reading of 47.5 units of vo...

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  19. A non-conducting body floats in a liquid at 20^(@)C. with 2//3 of its ...

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  20. Calorimeters are made of which of the following

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