The observable Universe changes with the usage of new and better telescopes like the current Hubble and the future James Webb
a. True
b. False
Indicate whether the statement is true or false
True
You might also like to view...
A mirror with a focal length 20 cm has a 4.0 cm tall object placed 100 cm in front of it. What is the position of the image?
A) 25 cm behind the mirror B) 20 cm behind the mirror C) 20 cm in front of the mirror D) 25 cm in front of the mirror E) 100 cm in front of the mirror
The temperature at which a liquid freezes is
A) affected by foreign ions. B) the same temperature at which its solid form melts. C) both of these D) neither of these
A charge of 50-?C is placed on the y axis at y = 3.0 cm and a 77-?C charge is placed on the x axis at x = 4.0 cm. If both charges are held fixed, what is the magnitude of the initial acceleration of an electron released from rest at the origin?
a. 1.2 × 10^20 m/s2 b. 1.5 × 10^20 m/s2 c. 1.0 × 10^20 m/s2 d. 1.8 × 10^20 m/s2 e. 2.0 × 10^20 m/s2
Which of the following could be the molecular formula for an alkene?
a. C9H9 b. C6H12 c. C9H17 d. C5H8 e. C2H6