- Ahave low specific heat
- Bhave high specific heat
- Chave large coefficient of expansion
- Dare lighter
Heat - Quiz
- AMolecular motion in a gas would cease
- BWater freezes
- CAll gases become liquid
- DAll gases become solid
- A180 F
- B210 F
- C100 F
- D150 F
- AAlcohol
- BWater
- CMolten iron
- DMercury
- Atemperature
- Bvelocity
- Cpressure
- Ddensity
- ASpace travel, surgery and magnetic levitation
- BSurgery, magnetic levitation and telemetry
- CSpace travel, surgery and telemetry
- DSpace travel, magnetic levitation and telemetry
- Aincreases
- Bdecreases
- Cdoes not change
- Dfirst decreases and then increases
- Avaporization
- Bfreezing
- Cmelting
- Dsublimation
- Acircular plate
- Bcube
- Csphere
- Dall of them will reach the room temperature at the same time
- Aconduction only
- Bconvection
- Cradiation Only
- Dboth conduction and radiation
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Heat - Quiz
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- A. have low specific heat
- B. have high specific heat
- C. have large coefficient of expansion
- D. are lighter
Remarks:
Explanation:
Gas thermometers are more sensitive than the liquid thermometers because the gases have low specific heat.
- A. Molecular motion in a gas would cease
- B. Water freezes
- C. All gases become liquid
- D. All gases become solid
Remarks:
Explanation:
The absolute zero is a temperature at which Molecular motion in a gas would cease.
- A. 180 F
- B. 210 F
- C. 100 F
- D. 150 F
Remarks:
Explanation:
A change of 100 in Centigrade scale corresponds to 180 F will change in Fahrenheit scale.
- A. Alcohol
- B. Water
- C. Molten iron
- D. Mercury
Remarks:
Explanation:
A liquid initially contracts when cooled down to 40 C but on further cooling down to 00 C, it expands. The liquid is Water.
- A. temperature
- B. velocity
- C. pressure
- D. density
Remarks:
Explanation:
The clouds float in the atmosphere because of there low temperature.
- A. Space travel, surgery and magnetic levitation
- B. Surgery, magnetic levitation and telemetry
- C. Space travel, surgery and telemetry
- D. Space travel, magnetic levitation and telemetry
Remarks:
Explanation:
Low temperatures (cryogenies) find application in space travel, surgery and magnetic levitation
- A. increases
- B. decreases
- C. does not change
- D. first decreases and then increases
Remarks:
Explanation:
When water is heated from 00 C to 100 C its volume first decreases and then increases.
- A. vaporization
- B. freezing
- C. melting
- D. sublimation
Remarks:
Explanation:
The change of a solid into vapour directly is called sublimation.
- A. circular plate
- B. cube
- C. sphere
- D. all of them will reach the room temperature at the same time
Remarks:
Explanation:
Sphere will reach the room temperature first.
- A. conduction only
- B. convection
- C. radiation Only
- D. both conduction and radiation
Remarks:
Explanation:
By convection a cooling system(Radiator) in a motor car works.