Which of the following statements is FALSE?

A: For an observer located in a galaxy all other distant galaxies would appear to move away from his.
B: The universe looks the same in all directions; i.e. it is homogeneous and isotropic.
C: The universe is expanding.
D: In our universe, at earlier times, everything was closer together.
E: We are at the center of the universe.


Ans: E: We are at the center of the universe.

Physics & Space Science

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It is a well-known fact that water has a higher specific heat capacity than iron. Now, consider equal masses of water and iron that are initially in thermal equilibrium. The same amount of heat, 30. calories, is added to each

Which statement is true? A) They remain in thermal equilibrium. B) They are no longer in thermal equilibrium; the iron is warmer. C) They are no longer in thermal equilibrium; the water is warmer. D) It is impossible to say without knowing the exact mass involved and the exact specific heat capacities.

Physics & Space Science

The latest observations of distant Type I supernovae suggest the universe is slowing down more than we had expected

Indicate whether the statement is true or false

Physics & Space Science

If the outside air pressure decreases, the reading on a tire gauge connected to a tire decreases

a. True b. False Indicate whether the statement is true or false

Physics & Space Science

On a P-V diagram, if a process involves a closed curve, the area inside the curve represents:

a. internal energy. c. work. b. heat. d. zero.

Physics & Space Science