Which of the following is the most common type of star?

A) high mass main sequence
B) low mass main sequence
C) white dwarfs
D) red giants
E) blue supergiants


B

Physics & Space Science

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Capacitors in Combination: Three identical capacitors are connected in series across a potential source (battery). If a charge of Q flows into this combination of capacitors, how much charge does each capacitor carry?

A. 3Q B. Q C. Q/3 D. Q/9

Physics & Space Science

The cores of the Moon and Mercury are similar in that

A) both cores are more iron rich than the rest of the body and the core is solid throughout. B) both cores are large in proportion to the object with a solid inner core and fluid outer core. C) both cores are more iron rich than the rest of the body, with a solid inner core and fluid outer core. D) both cores are small in proportion to the object, with a fluid inner core and solid outer core.

Physics & Space Science

In the figure shown, the

A. green wave is in phase with the blue wave. B. red and blue waves differ in phase by 90 degrees. C. green and blue waves differ in phase by 180 degrees. D. green and blue waves differ in phase by 360 degrees. E. both B and C.

Physics & Space Science

A silicon monoxide thin film (n = 1.45) of thickness 77.6 nm is applied to a camera lens made of glass (n = 1.55). This will result in a destructive interference for reflected light of what wavelength?

a. 720 nm c. 450 nm b. 558 nm d. 522 nm

Physics & Space Science