General Studies  Physics

11. Absolute zero is

273oC -273oC 0oC 100oC

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12. When a substance is heated its kinetic energy is

zero not changed increases decreases

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13. Boiling point of water in kelvin scale

100K 273K 373K 473K

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14. Transmission of heat in vaccum

Convection conduction radiation none

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15. telescope is invented by

Newton Galelio Franklin Edison

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16. When a light travel from rarer to denser medium it deflected

away from normal Towards normal not deflected All

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17. Identify the principle of endoscope

Reflection Refraction Total internal reflection dispersion

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18. What is the unit of power of lens

Candela Watt Dioptre Decible

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19. sound is measured in

Candela Decible Ampere Mole

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20. Intensity of sound depends on

Amplitude Wavelength Frequency Time period

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