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Physics 9th Class English Medium Online Test
| Sr. # | Questions | Answers Choice |
|---|---|---|
| 1 | The instrument that is most suitable for measuring the thickness of a few sheets on cardboard is a. |
<p>Metre rule</p> <p>Measuring tape</p> <p>Micrometer screw guage</p> |
| 2 | Which one of the following is not a magnetic material | Iron Nickel Aluminium Cobalt |
| 3 | Which thermometer uses voltage to measrue temperature of a hot body. | Thermocouple Resistance thermometer Liquid in glass thermometer Gas thermometer |
| 4 | Mercury has unifform linear expansionin liquid in glass thermometers, A liquid in glass thermometer has a mercury level of 2 cm at melting point of ice and a mercury level of 6 cm at boiling point of water. What is the distance between evry 1 oC division on Celsius scale of themrmometer. | 0.08 0.04 cm 0.06 cm 1.00 cm |
| 5 | Thermometer, which is most suitabel for measuring rapid changing temperatures is. | Constant volume gas therometer Resistance thermometer Thermocouple Liquid in glass thermometer |
| 6 | Which of the following can increase the sensitivity of liquid in glass thermometer. | Changes colour on temperture Use a longer capillary tube Use a bigger bulb which contains more amount of liquids Using long specific its |
| 7 | When an ideal gas is expanded keeping its temperatur econsitant, its internal energy | Increases Remains the same Decreases Cannot be determined |
| 8 | Which of the following is not a form of internal energy. | Light energy A kinetic energy of the particles Potential energy of the particles Chemical energy of the bonds between the particles |
| 9 | Which statement describes the particles structure of gases. | Particles are tightly packes and have storng bonds Particles have moderate kinetic energy and move randomly Particles are arranged in a repeating pattern Particles have fixed positions and low kinetic energy |
| 10 | Gases and liquids are categorized as. | Liquids Gases Fluids Solids |
| 11 | What happpens to the arrangement of particles when a solid is heated and turns into a liquid | Particles change their state from solid to gas Particles move farther apart Particle sbecome more closely packed Partcles chagne thier state<div><br></div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div><div>Particles start vibrating in fixed positions</div> |
| 12 | Which state of matter has particles that are highly compressible and can fill any container. | Plasma Solid Gas Liquid |
