Examlex
A 35-mm single lens reflex (SLR) digital camera is using a lens of focal length 35.0 mm to photograph a person who is 1.80 m tall and located 3.60 m from the lens.
(a) How far is the CCD sensor from the lens when the person is in focus?
(b) How tall is the person's image on the CCD sensor?
Q9: An air-filled capacitor has a potential difference
Q20: In a two-slit experiment using coherent light,
Q29: An ideal air-filled parallel-plate capacitor consists
Q31: The electric field at point P due
Q40: During the investigation of a new
Q41: A 3.0-cm tall statue is 48 cm
Q61: Chromatic aberration in lenses is due to
Q78: A 4.0-Ω resistor is connected with a
Q124: Two radio antennas are 130 m apart
Q137: What is the magnitude of the potential