Model Questions for Scientific Assistant (IMD) Exam (Paper-2) PHYSICS - Set 19
Model Questions for Scientific Assistant (IMD) Exam (Paper-2) PHYSICS - Set 19
Write and Discuss Your Answer with Q.No in Comment Box at the Bottom of Post.
1. A metal gas can will float up into the air if you fill it with----
a. sand
b. nitrogen
c. all of the above
d. none of the above
2. A pair of Magdeburg hemispheres are placed in contact and then evacuated. In which of the following situations would it take the most force to pull them apart----
a. out in space
b. at the top of the earth’s atmosphere
c. at sea level
d. 5 km below the ocean surface
3. A balloon filled with air is tied to a diver’s helmet with a 1 foot long string. As the diver dives to the bottom of a deep lake, the balloon----
a. expands
b. contracts
c. expands and then contracts
d. contracts and then expands
4. As a steady wind rushes over a pointed roof, the pressure above the roof is----
a. higher
b. lower
c. the same
d. alternates between higher and lower
5. The temperature at which the molecules in an object have the lowest possible kinetic energy.
a. Temperature
b. Absolute zero
c. Heat
d. Internal energy
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6. Energy that flows from a high temperature object to a lower temperature object. Mesaured in calories or joules.
a. Temperature
b. Absolute zero
c. Heat
d. Internal energy
7. Represents the average translational kinetic energy per molecule in an material.
a. Temperature
b. Absolute zero
c. Heat
d. Internal energy
8. The sum of the kinetic and potential energies of the molecules within a material.
a. Temperature
b. Absolute zero
c. Heat
d. Internal energy
9. The amount of heat per unit mass needed to raise the temperature of a material by 1 degree Centigrade.
a. Temperature
b. Absolute zero
c. Heat
d. Specific Heat capacity
10. If you were to measure out a plot of land on a very cold day the resulting plot would be ___ if you used a cloth tape-measure compared to a steel tape-measure.
a. larger
b. smaller
c. the same
d. none of the above
