An object 2.0 cm tall is placed 24 cm in front of a convex mirror having a focal length of magnitude 30 cm
(a) Where is the image formed and how far is it from the mirror?
(b) How tall is the image?
What will be an ideal response?
(a) 13 cm behind the mirror (b) 1.1 cm
You might also like to view...
Explain the Babcock model and why the solar cycle should really be considered as a 22-year cycle instead of 11-year cycle
What will be an ideal response?
Phase Angles: A 200-? resistor, a 40-mH inductor, and a 2.0-?F capacitor are connected in series with a 120-V rms source at 1.0 kHz. What is the phase angle of this circuit?
A. 49° B. 90° C. 41° D. 0° E. 45°
Which of the following is a principal advantage of CCDs over photographic film?
A) CCDs allow long exposures (e.g., minutes or hours), and film does not. B) CCDs can record the colors of astronomical objects accurately, while film cannot. C) CCDs capture a much higher percentage of the incoming photons than does film. D) Images recorded with CCDs never require any image processing, while images recorded by film often do. E) CCDs can be attached to modern telescopes more easily than cameras.
Two coins carry identical charges. These two coins are lying 2.50 m apart on a table. If each of these coins experiences a force of 2.00 N, how large is the charge on each coin?
A) 2.61 ?C B) 26.1 ?C C) 6.67 ?C D) 5.22 ?C E) 52.2 ?C