Author Question: An object is placed 5 cm to the left of a converging spherical lens. The lens has a focal length of ... (Read 144 times)

crobinson2013 · **on:** Jul 28, 2018

An object is placed 5 cm to the left of a converging spherical lens. The lens has a focal length of f = 10 cm. What kind of image is formed and what is its orientation?
a. Real/Upright
b. Virtual/Upright
c. Virtual/Inverted
d. Real/Inverted

Question 2

A starship navigator measures the distance between the Earth and the sun. If the ship is moving at a speed of 0.90 c, instead of obtaining 93 million miles, the navigator measures a distance (in millions of miles) of
a. 41.
b. 30.
c. 80.
d. 215.
e. 90.