In the Sun, rising currents of hot gas below the photosphere cause granulation

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


True

Physics & Space Science

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What makes Neptune's moon Triton stand out from all the other large satellites in the Solar System?

a. originated as a comet b. the most geologically active c. the most reflective satellite d. largest satellite in the Solar System e. the only large satellite with a backward orbit

Physics & Space Science

Scattered light in the atmosphere is often partially polarized. The best way to determine whether or not light from a particular direction in the sky shows polarization is to

a. diffract the light through a single slit. b. squint while looking in that direction. c. rotate a piece of polaroid film about an axis parallel to the ray while looking through it in that sky direction. d. rotate a piece of polaroid film about an axis perpendicular to the ray while looking through it in that sky direction. e. reflect the rays from that direction on a shiny metal surface.

Physics & Space Science

A man is rotating on a frictionless platform at

a constant angular velocity when he suddenly extends his arms away from his sides. His speed of rotation will immediately slow down because a)his weight changes. b)his angular momentum must be conserved. c)am impulse has been applied. d)his angular velocity increases.

Physics & Space Science

In a single-slit diffraction experiment, the angular width of the central maximum is 0.16°. The width of the slit is then doubled as is the distance to the screen. What is the resulting angular width of the central maximum?

a. 0.64° c. 0.32° b. 0.080° d. 0.16°

Physics & Space Science