Spherical Mirrors: A stature that is 3.0 cm tall statue is 24 cm in front of a concave mirror. The magnitude of the radius of curvature of the mirror is 20 cm.(a) Is the image real or virtual?(b) How far is the image from the mirror?(c) Is the image upright or inverted?(d) How tall is the image?
What will be an ideal response?
(a) real (b) 17 cm (c) inverted (d) 2.1 cm
You might also like to view...
A circular loop carrying a current of 1.25 A is oriented in a magnetic field of 0.22 T. The loop has an area of 0.10 m2 and is mounted on an axis, perpendicular to the magnetic field, which allows the loop to rotate. If the plane of the loop is oriented parallel to the field, what torque is created by the interaction of the loop current and the field?
a. 0.018 N?m b. 2.8 N?m c. 0.028 N?m d. 0.014 N?m e. 57 N?m
Two objects are thrown from the top of a tall building. One is thrown up, and the other is thrown down, both with the same initial speed. What are their speeds when they hit the street? Neglect air resistance
A) They are traveling at the same speed. B) The one thrown down is traveling faster. C) The one thrown up is traveling faster. D) It is impossible to tell because the height of the building is not given.
In space, X-rays travel faster than radio waves.
Answer the following statement true (T) or false (F)
At what frequency will a 50.0-mH inductor have a reactance XL = 700 ??
A. 352 Hz B. 777 Hz C. 1.25 kHz D. 2.23 kHz E. 14 kHz